Home / 115,677.18-159,631.50-63,996.18

Finding the Fourth Proportional to 115,677.18, 159,631.50 and 63,996.18

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Solution

The fourth proportional to 115,677.18, 159,631.50 and 63,996.18 is: 88,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,677.18 : 159,631.50 = 63,996.18 : x
  2. Step 2: Convert to fraction form
    115,677.18/159,631.50 = 63,996.18/x
  3. Step 3: Cross multiply
    115,677.18x = 159,631.50 × 63,996.18
  4. Step 4: Simplify right side
    115,677.18x = 10,215,806,207.67
  5. Step 5: Solve for x
    x = 10,215,806,207.67/115,677.18
  6. Step 6: Final answer
    x = 88,313.06

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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.