Home / 158,053.20-218,111.32-90,074.22

Finding the Fourth Proportional to 158,053.20, 218,111.32 and 90,074.22

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Solution

The fourth proportional to 158,053.20, 218,111.32 and 90,074.22 is: 124,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,053.20 : 218,111.32 = 90,074.22 : x
  2. Step 2: Convert to fraction form
    158,053.20/218,111.32 = 90,074.22/x
  3. Step 3: Cross multiply
    158,053.20x = 218,111.32 × 90,074.22
  4. Step 4: Simplify right side
    158,053.20x = 19,646,207,022.17
  5. Step 5: Solve for x
    x = 19,646,207,022.17/158,053.20
  6. Step 6: Final answer
    x = 124,301.23

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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.