Home / 187,609.86-258,899.02-102,726.91

Finding the Fourth Proportional to 187,609.86, 258,899.02 and 102,726.91

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Solution

The fourth proportional to 187,609.86, 258,899.02 and 102,726.91 is: 141,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,609.86 : 258,899.02 = 102,726.91 : x
  2. Step 2: Convert to fraction form
    187,609.86/258,899.02 = 102,726.91/x
  3. Step 3: Cross multiply
    187,609.86x = 258,899.02 × 102,726.91
  4. Step 4: Simplify right side
    187,609.86x = 26,595,896,326.63
  5. Step 5: Solve for x
    x = 26,595,896,326.63/187,609.86
  6. Step 6: Final answer
    x = 141,761.72

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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.