Home / 153,081.96-229,622.37-40,762.18

Finding the Fourth Proportional to 153,081.96, 229,622.37 and 40,762.18

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Solution

The fourth proportional to 153,081.96, 229,622.37 and 40,762.18 is: 61,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,081.96 : 229,622.37 = 40,762.18 : x
  2. Step 2: Convert to fraction form
    153,081.96/229,622.37 = 40,762.18/x
  3. Step 3: Cross multiply
    153,081.96x = 229,622.37 × 40,762.18
  4. Step 4: Simplify right side
    153,081.96x = 9,359,908,377.97
  5. Step 5: Solve for x
    x = 9,359,908,377.97/153,081.96
  6. Step 6: Final answer
    x = 61,143.12

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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.