Home / 142,335.72-213,331.68-52,305.84

Finding the Fourth Proportional to 142,335.72, 213,331.68 and 52,305.84

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Solution

The fourth proportional to 142,335.72, 213,331.68 and 52,305.84 is: 78,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,335.72 : 213,331.68 = 52,305.84 : x
  2. Step 2: Convert to fraction form
    142,335.72/213,331.68 = 52,305.84/x
  3. Step 3: Cross multiply
    142,335.72x = 213,331.68 × 52,305.84
  4. Step 4: Simplify right side
    142,335.72x = 11,158,492,721.01
  5. Step 5: Solve for x
    x = 11,158,492,721.01/142,335.72
  6. Step 6: Final answer
    x = 78,395.59

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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.