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Finding the Fourth Proportional to 172,767.40, 238,337.52 and 101,103.07

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Solution

The fourth proportional to 172,767.40, 238,337.52 and 101,103.07 is: 139,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,767.40 : 238,337.52 = 101,103.07 : x
  2. Step 2: Convert to fraction form
    172,767.40/238,337.52 = 101,103.07/x
  3. Step 3: Cross multiply
    172,767.40x = 238,337.52 × 101,103.07
  4. Step 4: Simplify right side
    172,767.40x = 24,096,654,968.19
  5. Step 5: Solve for x
    x = 24,096,654,968.19/172,767.40
  6. Step 6: Final answer
    x = 139,474.55

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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.