Home / 136,304.10-204,541.20-52,071.80

Finding the Fourth Proportional to 136,304.10, 204,541.20 and 52,071.80

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Solution

The fourth proportional to 136,304.10, 204,541.20 and 52,071.80 is: 78,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,304.10 : 204,541.20 = 52,071.80 : x
  2. Step 2: Convert to fraction form
    136,304.10/204,541.20 = 52,071.80/x
  3. Step 3: Cross multiply
    136,304.10x = 204,541.20 × 52,071.80
  4. Step 4: Simplify right side
    136,304.10x = 10,650,827,435.45
  5. Step 5: Solve for x
    x = 10,650,827,435.45/136,304.10
  6. Step 6: Final answer
    x = 78,140.18

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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.