Home / 132,388.89-182,572.14-102,126.34

Finding the Fourth Proportional to 132,388.89, 182,572.14 and 102,126.34

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Solution

The fourth proportional to 132,388.89, 182,572.14 and 102,126.34 is: 140,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,388.89 : 182,572.14 = 102,126.34 : x
  2. Step 2: Convert to fraction form
    132,388.89/182,572.14 = 102,126.34/x
  3. Step 3: Cross multiply
    132,388.89x = 182,572.14 × 102,126.34
  4. Step 4: Simplify right side
    132,388.89x = 18,645,424,444.17
  5. Step 5: Solve for x
    x = 18,645,424,444.17/132,388.89
  6. Step 6: Final answer
    x = 140,838.29

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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.