Home / 149,108.80-223,371.60-89,768.20

Finding the Fourth Proportional to 149,108.80, 223,371.60 and 89,768.20

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Solution

The fourth proportional to 149,108.80, 223,371.60 and 89,768.20 is: 134,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,108.80 : 223,371.60 = 89,768.20 : x
  2. Step 2: Convert to fraction form
    149,108.80/223,371.60 = 89,768.20/x
  3. Step 3: Cross multiply
    149,108.80x = 223,371.60 × 89,768.20
  4. Step 4: Simplify right side
    149,108.80x = 20,051,666,463.12
  5. Step 5: Solve for x
    x = 20,051,666,463.12/149,108.80
  6. Step 6: Final answer
    x = 134,476.75

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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.