Home / 158,022.28-218,063.10-90,055.18

Finding the Fourth Proportional to 158,022.28, 218,063.10 and 90,055.18

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Solution

The fourth proportional to 158,022.28, 218,063.10 and 90,055.18 is: 124,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,022.28 : 218,063.10 = 90,055.18 : x
  2. Step 2: Convert to fraction form
    158,022.28/218,063.10 = 90,055.18/x
  3. Step 3: Cross multiply
    158,022.28x = 218,063.10 × 90,055.18
  4. Step 4: Simplify right side
    158,022.28x = 19,637,711,721.86
  5. Step 5: Solve for x
    x = 19,637,711,721.86/158,022.28
  6. Step 6: Final answer
    x = 124,271.79

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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.