Home / 157,382.10-217,184.46-85,762.70

Finding the Fourth Proportional to 157,382.10, 217,184.46 and 85,762.70

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Solution

The fourth proportional to 157,382.10, 217,184.46 and 85,762.70 is: 118,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382.10 : 217,184.46 = 85,762.70 : x
  2. Step 2: Convert to fraction form
    157,382.10/217,184.46 = 85,762.70/x
  3. Step 3: Cross multiply
    157,382.10x = 217,184.46 × 85,762.70
  4. Step 4: Simplify right side
    157,382.10x = 18,626,325,687.64
  5. Step 5: Solve for x
    x = 18,626,325,687.64/157,382.10
  6. Step 6: Final answer
    x = 118,350.98

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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.