Home / 142,952.76-214,347.09-54,149.62

Finding the Fourth Proportional to 142,952.76, 214,347.09 and 54,149.62

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Solution

The fourth proportional to 142,952.76, 214,347.09 and 54,149.62 is: 81,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,952.76 : 214,347.09 = 54,149.62 : x
  2. Step 2: Convert to fraction form
    142,952.76/214,347.09 = 54,149.62/x
  3. Step 3: Cross multiply
    142,952.76x = 214,347.09 × 54,149.62
  4. Step 4: Simplify right side
    142,952.76x = 11,606,813,471.61
  5. Step 5: Solve for x
    x = 11,606,813,471.61/142,952.76
  6. Step 6: Final answer
    x = 81,193.35

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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.