Home / 136,364.48-204,579.52-42,870.16

Finding the Fourth Proportional to 136,364.48, 204,579.52 and 42,870.16

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Solution

The fourth proportional to 136,364.48, 204,579.52 and 42,870.16 is: 64,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364.48 : 204,579.52 = 42,870.16 : x
  2. Step 2: Convert to fraction form
    136,364.48/204,579.52 = 42,870.16/x
  3. Step 3: Cross multiply
    136,364.48x = 204,579.52 × 42,870.16
  4. Step 4: Simplify right side
    136,364.48x = 8,770,356,755.12
  5. Step 5: Solve for x
    x = 8,770,356,755.12/136,364.48
  6. Step 6: Final answer
    x = 64,315.55

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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.