Home / 156,547.74-216,032.84-88,562.02

Finding the Fourth Proportional to 156,547.74, 216,032.84 and 88,562.02

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Solution

The fourth proportional to 156,547.74, 216,032.84 and 88,562.02 is: 122,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,547.74 : 216,032.84 = 88,562.02 : x
  2. Step 2: Convert to fraction form
    156,547.74/216,032.84 = 88,562.02/x
  3. Step 3: Cross multiply
    156,547.74x = 216,032.84 × 88,562.02
  4. Step 4: Simplify right side
    156,547.74x = 19,132,304,696.74
  5. Step 5: Solve for x
    x = 19,132,304,696.74/156,547.74
  6. Step 6: Final answer
    x = 122,213.87

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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.