Home / 127,500.39-175,950.54-70,140.51

Finding the Fourth Proportional to 127,500.39, 175,950.54 and 70,140.51

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Solution

The fourth proportional to 127,500.39, 175,950.54 and 70,140.51 is: 96,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,500.39 : 175,950.54 = 70,140.51 : x
  2. Step 2: Convert to fraction form
    127,500.39/175,950.54 = 70,140.51/x
  3. Step 3: Cross multiply
    127,500.39x = 175,950.54 × 70,140.51
  4. Step 4: Simplify right side
    127,500.39x = 12,341,260,610.38
  5. Step 5: Solve for x
    x = 12,341,260,610.38/127,500.39
  6. Step 6: Final answer
    x = 96,793.90

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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.