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Finding the Fourth Proportional to 173,248.80, 239,042.52 and 97,782.72

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Solution

The fourth proportional to 173,248.80, 239,042.52 and 97,782.72 is: 134,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248.80 : 239,042.52 = 97,782.72 : x
  2. Step 2: Convert to fraction form
    173,248.80/239,042.52 = 97,782.72/x
  3. Step 3: Cross multiply
    173,248.80x = 239,042.52 × 97,782.72
  4. Step 4: Simplify right side
    173,248.80x = 23,374,227,801.25
  5. Step 5: Solve for x
    x = 23,374,227,801.25/173,248.80
  6. Step 6: Final answer
    x = 134,917.11

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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.