Home / 158,026.28-218,068.62-90,059.18

Finding the Fourth Proportional to 158,026.28, 218,068.62 and 90,059.18

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Solution

The fourth proportional to 158,026.28, 218,068.62 and 90,059.18 is: 124,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,026.28 : 218,068.62 = 90,059.18 : x
  2. Step 2: Convert to fraction form
    158,026.28/218,068.62 = 90,059.18/x
  3. Step 3: Cross multiply
    158,026.28x = 218,068.62 × 90,059.18
  4. Step 4: Simplify right side
    158,026.28x = 19,639,081,100.93
  5. Step 5: Solve for x
    x = 19,639,081,100.93/158,026.28
  6. Step 6: Final answer
    x = 124,277.31

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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.