Home / 162,106.48-243,159.72-68,613.04

Finding the Fourth Proportional to 162,106.48, 243,159.72 and 68,613.04

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Solution

The fourth proportional to 162,106.48, 243,159.72 and 68,613.04 is: 102,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,106.48 : 243,159.72 = 68,613.04 : x
  2. Step 2: Convert to fraction form
    162,106.48/243,159.72 = 68,613.04/x
  3. Step 3: Cross multiply
    162,106.48x = 243,159.72 × 68,613.04
  4. Step 4: Simplify right side
    162,106.48x = 16,683,927,594.75
  5. Step 5: Solve for x
    x = 16,683,927,594.75/162,106.48
  6. Step 6: Final answer
    x = 102,919.56

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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.