Home / 518,087.10-777,130.65-144,110.10

Finding the Fourth Proportional to 518,087.10, 777,130.65 and 144,110.10

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Solution

The fourth proportional to 518,087.10, 777,130.65 and 144,110.10 is: 216,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,087.10 : 777,130.65 = 144,110.10 : x
  2. Step 2: Convert to fraction form
    518,087.10/777,130.65 = 144,110.10/x
  3. Step 3: Cross multiply
    518,087.10x = 777,130.65 × 144,110.10
  4. Step 4: Simplify right side
    518,087.10x = 111,992,375,684.57
  5. Step 5: Solve for x
    x = 111,992,375,684.57/518,087.10
  6. Step 6: Final answer
    x = 216,165.15

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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.