Home / 123,406.20-170,307.18-69,693.48

Finding the Fourth Proportional to 123,406.20, 170,307.18 and 69,693.48

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Solution

The fourth proportional to 123,406.20, 170,307.18 and 69,693.48 is: 96,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,406.20 : 170,307.18 = 69,693.48 : x
  2. Step 2: Convert to fraction form
    123,406.20/170,307.18 = 69,693.48/x
  3. Step 3: Cross multiply
    123,406.20x = 170,307.18 × 69,693.48
  4. Step 4: Simplify right side
    123,406.20x = 11,869,300,043.19
  5. Step 5: Solve for x
    x = 11,869,300,043.19/123,406.20
  6. Step 6: Final answer
    x = 96,180.74

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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.