Home / 136,370.95-204,588.62-42,876.70

Finding the Fourth Proportional to 136,370.95, 204,588.62 and 42,876.70

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Solution

The fourth proportional to 136,370.95, 204,588.62 and 42,876.70 is: 64,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370.95 : 204,588.62 = 42,876.70 : x
  2. Step 2: Convert to fraction form
    136,370.95/204,588.62 = 42,876.70/x
  3. Step 3: Cross multiply
    136,370.95x = 204,588.62 × 42,876.70
  4. Step 4: Simplify right side
    136,370.95x = 8,772,084,883.15
  5. Step 5: Solve for x
    x = 8,772,084,883.15/136,370.95
  6. Step 6: Final answer
    x = 64,325.17

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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.