Home / 158,350.60-218,527.36-90,366.20

Finding the Fourth Proportional to 158,350.60, 218,527.36 and 90,366.20

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Solution

The fourth proportional to 158,350.60, 218,527.36 and 90,366.20 is: 124,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,350.60 : 218,527.36 = 90,366.20 : x
  2. Step 2: Convert to fraction form
    158,350.60/218,527.36 = 90,366.20/x
  3. Step 3: Cross multiply
    158,350.60x = 218,527.36 × 90,366.20
  4. Step 4: Simplify right side
    158,350.60x = 19,747,487,119.23
  5. Step 5: Solve for x
    x = 19,747,487,119.23/158,350.60
  6. Step 6: Final answer
    x = 124,707.37

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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.