Home / 134,764.60-201,976.80-68,223.10

Finding the Fourth Proportional to 134,764.60, 201,976.80 and 68,223.10

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Solution

The fourth proportional to 134,764.60, 201,976.80 and 68,223.10 is: 102,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764.60 : 201,976.80 = 68,223.10 : x
  2. Step 2: Convert to fraction form
    134,764.60/201,976.80 = 68,223.10/x
  3. Step 3: Cross multiply
    134,764.60x = 201,976.80 × 68,223.10
  4. Step 4: Simplify right side
    134,764.60x = 13,779,483,424.08
  5. Step 5: Solve for x
    x = 13,779,483,424.08/134,764.60
  6. Step 6: Final answer
    x = 102,248.54

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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.