Home / 130,923.98-180,691.95-79,926.02

Finding the Fourth Proportional to 130,923.98, 180,691.95 and 79,926.02

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Solution

The fourth proportional to 130,923.98, 180,691.95 and 79,926.02 is: 110,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,923.98 : 180,691.95 = 79,926.02 : x
  2. Step 2: Convert to fraction form
    130,923.98/180,691.95 = 79,926.02/x
  3. Step 3: Cross multiply
    130,923.98x = 180,691.95 × 79,926.02
  4. Step 4: Simplify right side
    130,923.98x = 14,441,988,409.54
  5. Step 5: Solve for x
    x = 14,441,988,409.54/130,923.98
  6. Step 6: Final answer
    x = 110,308.20

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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.