Home / 158,024.28-218,065.86-90,057.18

Finding the Fourth Proportional to 158,024.28, 218,065.86 and 90,057.18

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Solution

The fourth proportional to 158,024.28, 218,065.86 and 90,057.18 is: 124,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,024.28 : 218,065.86 = 90,057.18 : x
  2. Step 2: Convert to fraction form
    158,024.28/218,065.86 = 90,057.18/x
  3. Step 3: Cross multiply
    158,024.28x = 218,065.86 × 90,057.18
  4. Step 4: Simplify right side
    158,024.28x = 19,638,396,405.87
  5. Step 5: Solve for x
    x = 19,638,396,405.87/158,024.28
  6. Step 6: Final answer
    x = 124,274.55

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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.