Home / 123,823.76-170,884.50-70,114.28

Finding the Fourth Proportional to 123,823.76, 170,884.50 and 70,114.28

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Solution

The fourth proportional to 123,823.76, 170,884.50 and 70,114.28 is: 96,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,823.76 : 170,884.50 = 70,114.28 : x
  2. Step 2: Convert to fraction form
    123,823.76/170,884.50 = 70,114.28/x
  3. Step 3: Cross multiply
    123,823.76x = 170,884.50 × 70,114.28
  4. Step 4: Simplify right side
    123,823.76x = 11,981,443,680.66
  5. Step 5: Solve for x
    x = 11,981,443,680.66/123,823.76
  6. Step 6: Final answer
    x = 96,762.07

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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.