Home / 102,214.13-141,056.83-56,279.11

Finding the Fourth Proportional to 102,214.13, 141,056.83 and 56,279.11

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Solution

The fourth proportional to 102,214.13, 141,056.83 and 56,279.11 is: 77,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,214.13 : 141,056.83 = 56,279.11 : x
  2. Step 2: Convert to fraction form
    102,214.13/141,056.83 = 56,279.11/x
  3. Step 3: Cross multiply
    102,214.13x = 141,056.83 × 56,279.11
  4. Step 4: Simplify right side
    102,214.13x = 7,938,552,851.82
  5. Step 5: Solve for x
    x = 7,938,552,851.82/102,214.13
  6. Step 6: Final answer
    x = 77,665.91

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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.