Home / 97,442.06-134,432.06-57,140.91

Finding the Fourth Proportional to 97,442.06, 134,432.06 and 57,140.91

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Solution

The fourth proportional to 97,442.06, 134,432.06 and 57,140.91 is: 78,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,442.06 : 134,432.06 = 57,140.91 : x
  2. Step 2: Convert to fraction form
    97,442.06/134,432.06 = 57,140.91/x
  3. Step 3: Cross multiply
    97,442.06x = 134,432.06 × 57,140.91
  4. Step 4: Simplify right side
    97,442.06x = 7,681,569,955.87
  5. Step 5: Solve for x
    x = 7,681,569,955.87/97,442.06
  6. Step 6: Final answer
    x = 78,832.18

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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.