Home / 138,814.23-208,304.65-59,928.38

Finding the Fourth Proportional to 138,814.23, 208,304.65 and 59,928.38

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Solution

The fourth proportional to 138,814.23, 208,304.65 and 59,928.38 is: 89,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,814.23 : 208,304.65 = 59,928.38 : x
  2. Step 2: Convert to fraction form
    138,814.23/208,304.65 = 59,928.38/x
  3. Step 3: Cross multiply
    138,814.23x = 208,304.65 × 59,928.38
  4. Step 4: Simplify right side
    138,814.23x = 12,483,359,698.40
  5. Step 5: Solve for x
    x = 12,483,359,698.40/138,814.23
  6. Step 6: Final answer
    x = 89,928.53

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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.