Home / 121,743.60-182,615.40-101,007.60

Finding the Fourth Proportional to 121,743.60, 182,615.40 and 101,007.60

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Solution

The fourth proportional to 121,743.60, 182,615.40 and 101,007.60 is: 151,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,743.60 : 182,615.40 = 101,007.60 : x
  2. Step 2: Convert to fraction form
    121,743.60/182,615.40 = 101,007.60/x
  3. Step 3: Cross multiply
    121,743.60x = 182,615.40 × 101,007.60
  4. Step 4: Simplify right side
    121,743.60x = 18,445,543,277.04
  5. Step 5: Solve for x
    x = 18,445,543,277.04/121,743.60
  6. Step 6: Final answer
    x = 151,511.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.