Home / 149,111.80-223,521.90-133,365.40

Finding the Fourth Proportional to 149,111.80, 223,521.90 and 133,365.40

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Solution

The fourth proportional to 149,111.80, 223,521.90 and 133,365.40 is: 199,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,111.80 : 223,521.90 = 133,365.40 : x
  2. Step 2: Convert to fraction form
    149,111.80/223,521.90 = 133,365.40/x
  3. Step 3: Cross multiply
    149,111.80x = 223,521.90 × 133,365.40
  4. Step 4: Simplify right side
    149,111.80x = 29,810,087,602.26
  5. Step 5: Solve for x
    x = 29,810,087,602.26/149,111.80
  6. Step 6: Final answer
    x = 199,917.70

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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.