Home / 130,294.69-179,775.66-79,306.87

Finding the Fourth Proportional to 130,294.69, 179,775.66 and 79,306.87

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Solution

The fourth proportional to 130,294.69, 179,775.66 and 79,306.87 is: 109,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,294.69 : 179,775.66 = 79,306.87 : x
  2. Step 2: Convert to fraction form
    130,294.69/179,775.66 = 79,306.87/x
  3. Step 3: Cross multiply
    130,294.69x = 179,775.66 × 79,306.87
  4. Step 4: Simplify right side
    130,294.69x = 14,257,444,896.78
  5. Step 5: Solve for x
    x = 14,257,444,896.78/130,294.69
  6. Step 6: Final answer
    x = 109,424.60

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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.