Home / 187,318.52-258,327.02-122,764.24

Finding the Fourth Proportional to 187,318.52, 258,327.02 and 122,764.24

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Solution

The fourth proportional to 187,318.52, 258,327.02 and 122,764.24 is: 169,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,318.52 : 258,327.02 = 122,764.24 : x
  2. Step 2: Convert to fraction form
    187,318.52/258,327.02 = 122,764.24/x
  3. Step 3: Cross multiply
    187,318.52x = 258,327.02 × 122,764.24
  4. Step 4: Simplify right side
    187,318.52x = 31,713,320,281.76
  5. Step 5: Solve for x
    x = 31,713,320,281.76/187,318.52
  6. Step 6: Final answer
    x = 169,301.57

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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.