Home / 124,938.57-172,419.30-68,349.95

Finding the Fourth Proportional to 124,938.57, 172,419.30 and 68,349.95

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Solution

The fourth proportional to 124,938.57, 172,419.30 and 68,349.95 is: 94,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,938.57 : 172,419.30 = 68,349.95 : x
  2. Step 2: Convert to fraction form
    124,938.57/172,419.30 = 68,349.95/x
  3. Step 3: Cross multiply
    124,938.57x = 172,419.30 × 68,349.95
  4. Step 4: Simplify right side
    124,938.57x = 11,784,849,671.94
  5. Step 5: Solve for x
    x = 11,784,849,671.94/124,938.57
  6. Step 6: Final answer
    x = 94,325.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.