Home / 158,535.04-218,780.18-90,561.04

Finding the Fourth Proportional to 158,535.04, 218,780.18 and 90,561.04

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Solution

The fourth proportional to 158,535.04, 218,780.18 and 90,561.04 is: 124,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,535.04 : 218,780.18 = 90,561.04 : x
  2. Step 2: Convert to fraction form
    158,535.04/218,780.18 = 90,561.04/x
  3. Step 3: Cross multiply
    158,535.04x = 218,780.18 × 90,561.04
  4. Step 4: Simplify right side
    158,535.04x = 19,812,960,632.19
  5. Step 5: Solve for x
    x = 19,812,960,632.19/158,535.04
  6. Step 6: Final answer
    x = 124,975.28

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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.