Home / 111,944.25-154,614.29-74,152.89

Finding the Fourth Proportional to 111,944.25, 154,614.29 and 74,152.89

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Solution

The fourth proportional to 111,944.25, 154,614.29 and 74,152.89 is: 102,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,944.25 : 154,614.29 = 74,152.89 : x
  2. Step 2: Convert to fraction form
    111,944.25/154,614.29 = 74,152.89/x
  3. Step 3: Cross multiply
    111,944.25x = 154,614.29 × 74,152.89
  4. Step 4: Simplify right side
    111,944.25x = 11,465,096,068.03
  5. Step 5: Solve for x
    x = 11,465,096,068.03/111,944.25
  6. Step 6: Final answer
    x = 102,417.91

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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.