Home / 108,363.00-162,574.40-45,212.81

Finding the Fourth Proportional to 108,363.00, 162,574.40 and 45,212.81

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Solution

The fourth proportional to 108,363.00, 162,574.40 and 45,212.81 is: 67,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.00 : 162,574.40 = 45,212.81 : x
  2. Step 2: Convert to fraction form
    108,363.00/162,574.40 = 45,212.81/x
  3. Step 3: Cross multiply
    108,363.00x = 162,574.40 × 45,212.81
  4. Step 4: Simplify right side
    108,363.00x = 7,350,445,279.05
  5. Step 5: Solve for x
    x = 7,350,445,279.05/108,363.00
  6. Step 6: Final answer
    x = 67,831.69

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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.