Home / 108,856.90-163,186.93-38,719.81

Finding the Fourth Proportional to 108,856.90, 163,186.93 and 38,719.81

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Solution

The fourth proportional to 108,856.90, 163,186.93 and 38,719.81 is: 58,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,856.90 : 163,186.93 = 38,719.81 : x
  2. Step 2: Convert to fraction form
    108,856.90/163,186.93 = 38,719.81/x
  3. Step 3: Cross multiply
    108,856.90x = 163,186.93 × 38,719.81
  4. Step 4: Simplify right side
    108,856.90x = 6,318,566,924.08
  5. Step 5: Solve for x
    x = 6,318,566,924.08/108,856.90
  6. Step 6: Final answer
    x = 58,044.71

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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.