Home / 518,129.16-777,189.42-144,151.08

Finding the Fourth Proportional to 518,129.16, 777,189.42 and 144,151.08

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Solution

The fourth proportional to 518,129.16, 777,189.42 and 144,151.08 is: 216,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,129.16 : 777,189.42 = 144,151.08 : x
  2. Step 2: Convert to fraction form
    518,129.16/777,189.42 = 144,151.08/x
  3. Step 3: Cross multiply
    518,129.16x = 777,189.42 × 144,151.08
  4. Step 4: Simplify right side
    518,129.16x = 112,032,694,257.57
  5. Step 5: Solve for x
    x = 112,032,694,257.57/518,129.16
  6. Step 6: Final answer
    x = 216,225.42

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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.