Home / 115,024.80-158,733.90-64,723.80

Finding the Fourth Proportional to 115,024.80, 158,733.90 and 64,723.80

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Solution

The fourth proportional to 115,024.80, 158,733.90 and 64,723.80 is: 89,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,024.80 : 158,733.90 = 64,723.80 : x
  2. Step 2: Convert to fraction form
    115,024.80/158,733.90 = 64,723.80/x
  3. Step 3: Cross multiply
    115,024.80x = 158,733.90 × 64,723.80
  4. Step 4: Simplify right side
    115,024.80x = 10,273,861,196.82
  5. Step 5: Solve for x
    x = 10,273,861,196.82/115,024.80
  6. Step 6: Final answer
    x = 89,318.66

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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.