Home / 136,179.95-204,302.73-42,685.70

Finding the Fourth Proportional to 136,179.95, 204,302.73 and 42,685.70

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Solution

The fourth proportional to 136,179.95, 204,302.73 and 42,685.70 is: 64,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,179.95 : 204,302.73 = 42,685.70 : x
  2. Step 2: Convert to fraction form
    136,179.95/204,302.73 = 42,685.70/x
  3. Step 3: Cross multiply
    136,179.95x = 204,302.73 × 42,685.70
  4. Step 4: Simplify right side
    136,179.95x = 8,720,804,020.45
  5. Step 5: Solve for x
    x = 8,720,804,020.45/136,179.95
  6. Step 6: Final answer
    x = 64,038.83

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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.