Home / 220,567.08-304,329.51-129,915.93

Finding the Fourth Proportional to 220,567.08, 304,329.51 and 129,915.93

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Solution

The fourth proportional to 220,567.08, 304,329.51 and 129,915.93 is: 179,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,567.08 : 304,329.51 = 129,915.93 : x
  2. Step 2: Convert to fraction form
    220,567.08/304,329.51 = 129,915.93/x
  3. Step 3: Cross multiply
    220,567.08x = 304,329.51 × 129,915.93
  4. Step 4: Simplify right side
    220,567.08x = 39,537,251,318.09
  5. Step 5: Solve for x
    x = 39,537,251,318.09/220,567.08
  6. Step 6: Final answer
    x = 179,252.73

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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.