Home / 142,822.71-214,264.08-54,074.25

Finding the Fourth Proportional to 142,822.71, 214,264.08 and 54,074.25

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Solution

The fourth proportional to 142,822.71, 214,264.08 and 54,074.25 is: 81,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,822.71 : 214,264.08 = 54,074.25 : x
  2. Step 2: Convert to fraction form
    142,822.71/214,264.08 = 54,074.25/x
  3. Step 3: Cross multiply
    142,822.71x = 214,264.08 × 54,074.25
  4. Step 4: Simplify right side
    142,822.71x = 11,586,169,427.94
  5. Step 5: Solve for x
    x = 11,586,169,427.94/142,822.71
  6. Step 6: Final answer
    x = 81,122.74

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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.