Home / 113,284.79-156,330.44-61,600.76

Finding the Fourth Proportional to 113,284.79, 156,330.44 and 61,600.76

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Solution

The fourth proportional to 113,284.79, 156,330.44 and 61,600.76 is: 85,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,284.79 : 156,330.44 = 61,600.76 : x
  2. Step 2: Convert to fraction form
    113,284.79/156,330.44 = 61,600.76/x
  3. Step 3: Cross multiply
    113,284.79x = 156,330.44 × 61,600.76
  4. Step 4: Simplify right side
    113,284.79x = 9,630,073,915.13
  5. Step 5: Solve for x
    x = 9,630,073,915.13/113,284.79
  6. Step 6: Final answer
    x = 85,007.65

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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.