Home / 113,377.19-156,444.01-68,045.54

Finding the Fourth Proportional to 113,377.19, 156,444.01 and 68,045.54

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Solution

The fourth proportional to 113,377.19, 156,444.01 and 68,045.54 is: 93,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,377.19 : 156,444.01 = 68,045.54 : x
  2. Step 2: Convert to fraction form
    113,377.19/156,444.01 = 68,045.54/x
  3. Step 3: Cross multiply
    113,377.19x = 156,444.01 × 68,045.54
  4. Step 4: Simplify right side
    113,377.19x = 10,645,316,187.88
  5. Step 5: Solve for x
    x = 10,645,316,187.88/113,377.19
  6. Step 6: Final answer
    x = 93,892.93

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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.