Home / 130,337.50-179,823.90-72,968.38

Finding the Fourth Proportional to 130,337.50, 179,823.90 and 72,968.38

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Solution

The fourth proportional to 130,337.50, 179,823.90 and 72,968.38 is: 100,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,337.50 : 179,823.90 = 72,968.38 : x
  2. Step 2: Convert to fraction form
    130,337.50/179,823.90 = 72,968.38/x
  3. Step 3: Cross multiply
    130,337.50x = 179,823.90 × 72,968.38
  4. Step 4: Simplify right side
    130,337.50x = 13,121,458,668.28
  5. Step 5: Solve for x
    x = 13,121,458,668.28/130,337.50
  6. Step 6: Final answer
    x = 100,672.94

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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.