Home / 136,637.10-204,858.45-52,364.70

Finding the Fourth Proportional to 136,637.10, 204,858.45 and 52,364.70

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Solution

The fourth proportional to 136,637.10, 204,858.45 and 52,364.70 is: 78,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.10 : 204,858.45 = 52,364.70 : x
  2. Step 2: Convert to fraction form
    136,637.10/204,858.45 = 52,364.70/x
  3. Step 3: Cross multiply
    136,637.10x = 204,858.45 × 52,364.70
  4. Step 4: Simplify right side
    136,637.10x = 10,727,351,276.72
  5. Step 5: Solve for x
    x = 10,727,351,276.72/136,637.10
  6. Step 6: Final answer
    x = 78,509.80

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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.