Home / 102,060.04-140,854.52-56,742.52

Finding the Fourth Proportional to 102,060.04, 140,854.52 and 56,742.52

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Solution

The fourth proportional to 102,060.04, 140,854.52 and 56,742.52 is: 78,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,060.04 : 140,854.52 = 56,742.52 : x
  2. Step 2: Convert to fraction form
    102,060.04/140,854.52 = 56,742.52/x
  3. Step 3: Cross multiply
    102,060.04x = 140,854.52 × 56,742.52
  4. Step 4: Simplify right side
    102,060.04x = 7,992,440,418.19
  5. Step 5: Solve for x
    x = 7,992,440,418.19/102,060.04
  6. Step 6: Final answer
    x = 78,311.16

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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.