Home / 158,222.36-218,335.91-90,242.24

Finding the Fourth Proportional to 158,222.36, 218,335.91 and 90,242.24

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Solution

The fourth proportional to 158,222.36, 218,335.91 and 90,242.24 is: 124,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,222.36 : 218,335.91 = 90,242.24 : x
  2. Step 2: Convert to fraction form
    158,222.36/218,335.91 = 90,242.24/x
  3. Step 3: Cross multiply
    158,222.36x = 218,335.91 × 90,242.24
  4. Step 4: Simplify right side
    158,222.36x = 19,703,120,047.95
  5. Step 5: Solve for x
    x = 19,703,120,047.95/158,222.36
  6. Step 6: Final answer
    x = 124,528.04

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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.