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Finding the Fourth Proportional to 149,130.80, 223,550.40 and 133,384.40

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Solution

The fourth proportional to 149,130.80, 223,550.40 and 133,384.40 is: 199,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,130.80 : 223,550.40 = 133,384.40 : x
  2. Step 2: Convert to fraction form
    149,130.80/223,550.40 = 133,384.40/x
  3. Step 3: Cross multiply
    149,130.80x = 223,550.40 × 133,384.40
  4. Step 4: Simplify right side
    149,130.80x = 29,818,135,973.76
  5. Step 5: Solve for x
    x = 29,818,135,973.76/149,130.80
  6. Step 6: Final answer
    x = 199,946.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.