Home / 156,635.32-216,058.40-92,928

Finding the Fourth Proportional to 156,635.32, 216,058.40 and 92,928

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Solution

The fourth proportional to 156,635.32, 216,058.40 and 92,928 is: 128,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.32 : 216,058.40 = 92,928 : x
  2. Step 2: Convert to fraction form
    156,635.32/216,058.40 = 92,928/x
  3. Step 3: Cross multiply
    156,635.32x = 216,058.40 × 92,928
  4. Step 4: Simplify right side
    156,635.32x = 20,077,874,995.20
  5. Step 5: Solve for x
    x = 20,077,874,995.20/156,635.32
  6. Step 6: Final answer
    x = 128,182.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.