Home / 103,621.19-142,996.52-58,909.19

Finding the Fourth Proportional to 103,621.19, 142,996.52 and 58,909.19

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Solution

The fourth proportional to 103,621.19, 142,996.52 and 58,909.19 is: 81,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.19 : 142,996.52 = 58,909.19 : x
  2. Step 2: Convert to fraction form
    103,621.19/142,996.52 = 58,909.19/x
  3. Step 3: Cross multiply
    103,621.19x = 142,996.52 × 58,909.19
  4. Step 4: Simplify right side
    103,621.19x = 8,423,808,598.31
  5. Step 5: Solve for x
    x = 8,423,808,598.31/103,621.19
  6. Step 6: Final answer
    x = 81,294.27

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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.