Home / 142,427.56-213,641.07-53,700.97

Finding the Fourth Proportional to 142,427.56, 213,641.07 and 53,700.97

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Solution

The fourth proportional to 142,427.56, 213,641.07 and 53,700.97 is: 80,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,427.56 : 213,641.07 = 53,700.97 : x
  2. Step 2: Convert to fraction form
    142,427.56/213,641.07 = 53,700.97/x
  3. Step 3: Cross multiply
    142,427.56x = 213,641.07 × 53,700.97
  4. Step 4: Simplify right side
    142,427.56x = 11,472,732,690.84
  5. Step 5: Solve for x
    x = 11,472,732,690.84/142,427.56
  6. Step 6: Final answer
    x = 80,551.35

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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.