Home / 147,965.12-204,191.52-84,301.28

Finding the Fourth Proportional to 147,965.12, 204,191.52 and 84,301.28

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Solution

The fourth proportional to 147,965.12, 204,191.52 and 84,301.28 is: 116,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,965.12 : 204,191.52 = 84,301.28 : x
  2. Step 2: Convert to fraction form
    147,965.12/204,191.52 = 84,301.28/x
  3. Step 3: Cross multiply
    147,965.12x = 204,191.52 × 84,301.28
  4. Step 4: Simplify right side
    147,965.12x = 17,213,606,501.15
  5. Step 5: Solve for x
    x = 17,213,606,501.15/147,965.12
  6. Step 6: Final answer
    x = 116,335.57

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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.