Home / 142,226.28-213,441.48-83,080.08

Finding the Fourth Proportional to 142,226.28, 213,441.48 and 83,080.08

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Solution

The fourth proportional to 142,226.28, 213,441.48 and 83,080.08 is: 124,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,226.28 : 213,441.48 = 83,080.08 : x
  2. Step 2: Convert to fraction form
    142,226.28/213,441.48 = 83,080.08/x
  3. Step 3: Cross multiply
    142,226.28x = 213,441.48 × 83,080.08
  4. Step 4: Simplify right side
    142,226.28x = 17,732,735,233.72
  5. Step 5: Solve for x
    x = 17,732,735,233.72/142,226.28
  6. Step 6: Final answer
    x = 124,679.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.