Home / 157,350.33-217,140.69-85,730.85

Finding the Fourth Proportional to 157,350.33, 217,140.69 and 85,730.85

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Solution

The fourth proportional to 157,350.33, 217,140.69 and 85,730.85 is: 118,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,350.33 : 217,140.69 = 85,730.85 : x
  2. Step 2: Convert to fraction form
    157,350.33/217,140.69 = 85,730.85/x
  3. Step 3: Cross multiply
    157,350.33x = 217,140.69 × 85,730.85
  4. Step 4: Simplify right side
    157,350.33x = 18,615,655,923.29
  5. Step 5: Solve for x
    x = 18,615,655,923.29/157,350.33
  6. Step 6: Final answer
    x = 118,307.07

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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.