Home / 113,462.46-156,599.20-65,715.80

Finding the Fourth Proportional to 113,462.46, 156,599.20 and 65,715.80

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Solution

The fourth proportional to 113,462.46, 156,599.20 and 65,715.80 is: 90,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,462.46 : 156,599.20 = 65,715.80 : x
  2. Step 2: Convert to fraction form
    113,462.46/156,599.20 = 65,715.80/x
  3. Step 3: Cross multiply
    113,462.46x = 156,599.20 × 65,715.80
  4. Step 4: Simplify right side
    113,462.46x = 10,291,040,760.07
  5. Step 5: Solve for x
    x = 10,291,040,760.07/113,462.46
  6. Step 6: Final answer
    x = 90,699.96

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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.