Home / 150,351.12-207,011.16-127,645.20

Finding the Fourth Proportional to 150,351.12, 207,011.16 and 127,645.20

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Solution

The fourth proportional to 150,351.12, 207,011.16 and 127,645.20 is: 175,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,351.12 : 207,011.16 = 127,645.20 : x
  2. Step 2: Convert to fraction form
    150,351.12/207,011.16 = 127,645.20/x
  3. Step 3: Cross multiply
    150,351.12x = 207,011.16 × 127,645.20
  4. Step 4: Simplify right side
    150,351.12x = 26,423,980,920.43
  5. Step 5: Solve for x
    x = 26,423,980,920.43/150,351.12
  6. Step 6: Final answer
    x = 175,748.48

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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.