Home / 112,837.68-169,258.20-42,698.16

Finding the Fourth Proportional to 112,837.68, 169,258.20 and 42,698.16

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Solution

The fourth proportional to 112,837.68, 169,258.20 and 42,698.16 is: 64,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,837.68 : 169,258.20 = 42,698.16 : x
  2. Step 2: Convert to fraction form
    112,837.68/169,258.20 = 42,698.16/x
  3. Step 3: Cross multiply
    112,837.68x = 169,258.20 × 42,698.16
  4. Step 4: Simplify right side
    112,837.68x = 7,227,013,704.91
  5. Step 5: Solve for x
    x = 7,227,013,704.91/112,837.68
  6. Step 6: Final answer
    x = 64,047.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.