Home / 115,495.17-159,372.97-64,500.83

Finding the Fourth Proportional to 115,495.17, 159,372.97 and 64,500.83

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Solution

The fourth proportional to 115,495.17, 159,372.97 and 64,500.83 is: 89,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,495.17 : 159,372.97 = 64,500.83 : x
  2. Step 2: Convert to fraction form
    115,495.17/159,372.97 = 64,500.83/x
  3. Step 3: Cross multiply
    115,495.17x = 159,372.97 × 64,500.83
  4. Step 4: Simplify right side
    115,495.17x = 10,279,688,844.57
  5. Step 5: Solve for x
    x = 10,279,688,844.57/115,495.17
  6. Step 6: Final answer
    x = 89,005.36

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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.