Home / 187,229.81-258,376.02-102,347.48

Finding the Fourth Proportional to 187,229.81, 258,376.02 and 102,347.48

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Solution

The fourth proportional to 187,229.81, 258,376.02 and 102,347.48 is: 141,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,229.81 : 258,376.02 = 102,347.48 : x
  2. Step 2: Convert to fraction form
    187,229.81/258,376.02 = 102,347.48/x
  3. Step 3: Cross multiply
    187,229.81x = 258,376.02 × 102,347.48
  4. Step 4: Simplify right side
    187,229.81x = 26,444,134,539.43
  5. Step 5: Solve for x
    x = 26,444,134,539.43/187,229.81
  6. Step 6: Final answer
    x = 141,238.91

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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.