Home / 121,743.10-168,022.16-70,059.13

Finding the Fourth Proportional to 121,743.10, 168,022.16 and 70,059.13

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Solution

The fourth proportional to 121,743.10, 168,022.16 and 70,059.13 is: 96,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,743.10 : 168,022.16 = 70,059.13 : x
  2. Step 2: Convert to fraction form
    121,743.10/168,022.16 = 70,059.13/x
  3. Step 3: Cross multiply
    121,743.10x = 168,022.16 × 70,059.13
  4. Step 4: Simplify right side
    121,743.10x = 11,771,486,350.32
  5. Step 5: Solve for x
    x = 11,771,486,350.32/121,743.10
  6. Step 6: Final answer
    x = 96,691.20

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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.