Home / 180,501.48-271,000.68-91,815

Finding the Fourth Proportional to 180,501.48, 271,000.68 and 91,815

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Solution

The fourth proportional to 180,501.48, 271,000.68 and 91,815 is: 137,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501.48 : 271,000.68 = 91,815 : x
  2. Step 2: Convert to fraction form
    180,501.48/271,000.68 = 91,815/x
  3. Step 3: Cross multiply
    180,501.48x = 271,000.68 × 91,815
  4. Step 4: Simplify right side
    180,501.48x = 24,881,927,434.20
  5. Step 5: Solve for x
    x = 24,881,927,434.20/180,501.48
  6. Step 6: Final answer
    x = 137,848.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.