Home / 150,407.12-207,570.12-83,337.68

Finding the Fourth Proportional to 150,407.12, 207,570.12 and 83,337.68

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Solution

The fourth proportional to 150,407.12, 207,570.12 and 83,337.68 is: 115,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,407.12 : 207,570.12 = 83,337.68 : x
  2. Step 2: Convert to fraction form
    150,407.12/207,570.12 = 83,337.68/x
  3. Step 3: Cross multiply
    150,407.12x = 207,570.12 × 83,337.68
  4. Step 4: Simplify right side
    150,407.12x = 17,298,412,238.12
  5. Step 5: Solve for x
    x = 17,298,412,238.12/150,407.12
  6. Step 6: Final answer
    x = 115,010.59

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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.