Home / 518,089.13-777,177.70-144,112.13

Finding the Fourth Proportional to 518,089.13, 777,177.70 and 144,112.13

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Solution

The fourth proportional to 518,089.13, 777,177.70 and 144,112.13 is: 216,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,089.13 : 777,177.70 = 144,112.13 : x
  2. Step 2: Convert to fraction form
    518,089.13/777,177.70 = 144,112.13/x
  3. Step 3: Cross multiply
    518,089.13x = 777,177.70 × 144,112.13
  4. Step 4: Simplify right side
    518,089.13x = 112,000,733,735.50
  5. Step 5: Solve for x
    x = 112,000,733,735.50/518,089.13
  6. Step 6: Final answer
    x = 216,180.44

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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.