Home / 102,833.60-141,904.44-56,890.53

Finding the Fourth Proportional to 102,833.60, 141,904.44 and 56,890.53

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Solution

The fourth proportional to 102,833.60, 141,904.44 and 56,890.53 is: 78,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,833.60 : 141,904.44 = 56,890.53 : x
  2. Step 2: Convert to fraction form
    102,833.60/141,904.44 = 56,890.53/x
  3. Step 3: Cross multiply
    102,833.60x = 141,904.44 × 56,890.53
  4. Step 4: Simplify right side
    102,833.60x = 8,073,018,800.95
  5. Step 5: Solve for x
    x = 8,073,018,800.95/102,833.60
  6. Step 6: Final answer
    x = 78,505.66

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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.