Home / 88,184.31-121,695.23-47,898.86

Finding the Fourth Proportional to 88,184.31, 121,695.23 and 47,898.86

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Solution

The fourth proportional to 88,184.31, 121,695.23 and 47,898.86 is: 66,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,184.31 : 121,695.23 = 47,898.86 : x
  2. Step 2: Convert to fraction form
    88,184.31/121,695.23 = 47,898.86/x
  3. Step 3: Cross multiply
    88,184.31x = 121,695.23 × 47,898.86
  4. Step 4: Simplify right side
    88,184.31x = 5,829,061,936.47
  5. Step 5: Solve for x
    x = 5,829,061,936.47/88,184.31
  6. Step 6: Final answer
    x = 66,100.90

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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.