Home / 142,234.16-196,274.92-84,938

Finding the Fourth Proportional to 142,234.16, 196,274.92 and 84,938

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Solution

The fourth proportional to 142,234.16, 196,274.92 and 84,938 is: 117,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,234.16 : 196,274.92 = 84,938 : x
  2. Step 2: Convert to fraction form
    142,234.16/196,274.92 = 84,938/x
  3. Step 3: Cross multiply
    142,234.16x = 196,274.92 × 84,938
  4. Step 4: Simplify right side
    142,234.16x = 16,671,199,154.96
  5. Step 5: Solve for x
    x = 16,671,199,154.96/142,234.16
  6. Step 6: Final answer
    x = 117,209.53

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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.