Home / 102,010.14-140,773.47-56,070.84

Finding the Fourth Proportional to 102,010.14, 140,773.47 and 56,070.84

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Solution

The fourth proportional to 102,010.14, 140,773.47 and 56,070.84 is: 77,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,010.14 : 140,773.47 = 56,070.84 : x
  2. Step 2: Convert to fraction form
    102,010.14/140,773.47 = 56,070.84/x
  3. Step 3: Cross multiply
    102,010.14x = 140,773.47 × 56,070.84
  4. Step 4: Simplify right side
    102,010.14x = 7,893,286,712.61
  5. Step 5: Solve for x
    x = 7,893,286,712.61/102,010.14
  6. Step 6: Final answer
    x = 77,377.47

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1.5x scale

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.