Home / 150,512.57-207,707.63-83,444.57

Finding the Fourth Proportional to 150,512.57, 207,707.63 and 83,444.57

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Solution

The fourth proportional to 150,512.57, 207,707.63 and 83,444.57 is: 115,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,512.57 : 207,707.63 = 83,444.57 : x
  2. Step 2: Convert to fraction form
    150,512.57/207,707.63 = 83,444.57/x
  3. Step 3: Cross multiply
    150,512.57x = 207,707.63 × 83,444.57
  4. Step 4: Simplify right side
    150,512.57x = 17,332,073,041.14
  5. Step 5: Solve for x
    x = 17,332,073,041.14/150,512.57
  6. Step 6: Final answer
    x = 115,153.66

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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.