Home / 187,988.76-282,123.36-75,670.02

Finding the Fourth Proportional to 187,988.76, 282,123.36 and 75,670.02

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Solution

The fourth proportional to 187,988.76, 282,123.36 and 75,670.02 is: 113,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,988.76 : 282,123.36 = 75,670.02 : x
  2. Step 2: Convert to fraction form
    187,988.76/282,123.36 = 75,670.02/x
  3. Step 3: Cross multiply
    187,988.76x = 282,123.36 × 75,670.02
  4. Step 4: Simplify right side
    187,988.76x = 21,348,280,293.67
  5. Step 5: Solve for x
    x = 21,348,280,293.67/187,988.76
  6. Step 6: Final answer
    x = 113,561.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.