Home / 157,423.85-217,163.03-99,964.83

Finding the Fourth Proportional to 157,423.85, 217,163.03 and 99,964.83

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Solution

The fourth proportional to 157,423.85, 217,163.03 and 99,964.83 is: 137,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,423.85 : 217,163.03 = 99,964.83 : x
  2. Step 2: Convert to fraction form
    157,423.85/217,163.03 = 99,964.83/x
  3. Step 3: Cross multiply
    157,423.85x = 217,163.03 × 99,964.83
  4. Step 4: Simplify right side
    157,423.85x = 21,708,664,876.41
  5. Step 5: Solve for x
    x = 21,708,664,876.41/157,423.85
  6. Step 6: Final answer
    x = 137,899.47

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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.