Home / 115,337.59-159,165.61-65,036.23

Finding the Fourth Proportional to 115,337.59, 159,165.61 and 65,036.23

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Solution

The fourth proportional to 115,337.59, 159,165.61 and 65,036.23 is: 89,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,337.59 : 159,165.61 = 65,036.23 : x
  2. Step 2: Convert to fraction form
    115,337.59/159,165.61 = 65,036.23/x
  3. Step 3: Cross multiply
    115,337.59x = 159,165.61 × 65,036.23
  4. Step 4: Simplify right side
    115,337.59x = 10,351,531,220.05
  5. Step 5: Solve for x
    x = 10,351,531,220.05/115,337.59
  6. Step 6: Final answer
    x = 89,749.85

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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.