Home / 187,304.38-258,482.86-106,730.17

Finding the Fourth Proportional to 187,304.38, 258,482.86 and 106,730.17

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Solution

The fourth proportional to 187,304.38, 258,482.86 and 106,730.17 is: 147,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,304.38 : 258,482.86 = 106,730.17 : x
  2. Step 2: Convert to fraction form
    187,304.38/258,482.86 = 106,730.17/x
  3. Step 3: Cross multiply
    187,304.38x = 258,482.86 × 106,730.17
  4. Step 4: Simplify right side
    187,304.38x = 27,587,918,676.85
  5. Step 5: Solve for x
    x = 27,587,918,676.85/187,304.38
  6. Step 6: Final answer
    x = 147,289.24

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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.