Home / 124,714.08-172,108.80-74,442.24

Finding the Fourth Proportional to 124,714.08, 172,108.80 and 74,442.24

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Solution

The fourth proportional to 124,714.08, 172,108.80 and 74,442.24 is: 102,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,714.08 : 172,108.80 = 74,442.24 : x
  2. Step 2: Convert to fraction form
    124,714.08/172,108.80 = 74,442.24/x
  3. Step 3: Cross multiply
    124,714.08x = 172,108.80 × 74,442.24
  4. Step 4: Simplify right side
    124,714.08x = 12,812,164,595.71
  5. Step 5: Solve for x
    x = 12,812,164,595.71/124,714.08
  6. Step 6: Final answer
    x = 102,732.30

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1.5x scale

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.