Home / 141,356.28-212,139.54-57,117.18

Finding the Fourth Proportional to 141,356.28, 212,139.54 and 57,117.18

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Solution

The fourth proportional to 141,356.28, 212,139.54 and 57,117.18 is: 85,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,356.28 : 212,139.54 = 57,117.18 : x
  2. Step 2: Convert to fraction form
    141,356.28/212,139.54 = 57,117.18/x
  3. Step 3: Cross multiply
    141,356.28x = 212,139.54 × 57,117.18
  4. Step 4: Simplify right side
    141,356.28x = 12,116,812,291.30
  5. Step 5: Solve for x
    x = 12,116,812,291.30/141,356.28
  6. Step 6: Final answer
    x = 85,718.25

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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.