Home / 172,520.20-238,077.39-97,068.70

Finding the Fourth Proportional to 172,520.20, 238,077.39 and 97,068.70

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Solution

The fourth proportional to 172,520.20, 238,077.39 and 97,068.70 is: 133,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,520.20 : 238,077.39 = 97,068.70 : x
  2. Step 2: Convert to fraction form
    172,520.20/238,077.39 = 97,068.70/x
  3. Step 3: Cross multiply
    172,520.20x = 238,077.39 × 97,068.70
  4. Step 4: Simplify right side
    172,520.20x = 23,109,862,746.69
  5. Step 5: Solve for x
    x = 23,109,862,746.69/172,520.20
  6. Step 6: Final answer
    x = 133,954.53

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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.