Home / 187,582-258,839.05-107,004.72

Finding the Fourth Proportional to 187,582, 258,839.05 and 107,004.72

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Solution

The fourth proportional to 187,582, 258,839.05 and 107,004.72 is: 147,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,582 : 258,839.05 = 107,004.72 : x
  2. Step 2: Convert to fraction form
    187,582/258,839.05 = 107,004.72/x
  3. Step 3: Cross multiply
    187,582x = 258,839.05 × 107,004.72
  4. Step 4: Simplify right side
    187,582x = 27,697,000,070.32
  5. Step 5: Solve for x
    x = 27,697,000,070.32/187,582
  6. Step 6: Final answer
    x = 147,652.76

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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.