Home / 136,154.04-187,878.18-75,714.96

Finding the Fourth Proportional to 136,154.04, 187,878.18 and 75,714.96

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Solution

The fourth proportional to 136,154.04, 187,878.18 and 75,714.96 is: 104,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,154.04 : 187,878.18 = 75,714.96 : x
  2. Step 2: Convert to fraction form
    136,154.04/187,878.18 = 75,714.96/x
  3. Step 3: Cross multiply
    136,154.04x = 187,878.18 × 75,714.96
  4. Step 4: Simplify right side
    136,154.04x = 14,225,188,883.57
  5. Step 5: Solve for x
    x = 14,225,188,883.57/136,154.04
  6. Step 6: Final answer
    x = 104,478.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.