Home / 102,314.04-141,188.70-56,989.56

Finding the Fourth Proportional to 102,314.04, 141,188.70 and 56,989.56

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Solution

The fourth proportional to 102,314.04, 141,188.70 and 56,989.56 is: 78,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,314.04 : 141,188.70 = 56,989.56 : x
  2. Step 2: Convert to fraction form
    102,314.04/141,188.70 = 56,989.56/x
  3. Step 3: Cross multiply
    102,314.04x = 141,188.70 × 56,989.56
  4. Step 4: Simplify right side
    102,314.04x = 8,046,281,889.97
  5. Step 5: Solve for x
    x = 8,046,281,889.97/102,314.04
  6. Step 6: Final answer
    x = 78,642.99

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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.