Home / 89,714.20-134,312.10-54,722.20

Finding the Fourth Proportional to 89,714.20, 134,312.10 and 54,722.20

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Solution

The fourth proportional to 89,714.20, 134,312.10 and 54,722.20 is: 81,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,714.20 : 134,312.10 = 54,722.20 : x
  2. Step 2: Convert to fraction form
    89,714.20/134,312.10 = 54,722.20/x
  3. Step 3: Cross multiply
    89,714.20x = 134,312.10 × 54,722.20
  4. Step 4: Simplify right side
    89,714.20x = 7,349,853,598.62
  5. Step 5: Solve for x
    x = 7,349,853,598.62/89,714.20
  6. Step 6: Final answer
    x = 81,925.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.