Home / 107,386.38-161,079.69-40,810.86

Finding the Fourth Proportional to 107,386.38, 161,079.69 and 40,810.86

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Solution

The fourth proportional to 107,386.38, 161,079.69 and 40,810.86 is: 61,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,386.38 : 161,079.69 = 40,810.86 : x
  2. Step 2: Convert to fraction form
    107,386.38/161,079.69 = 40,810.86/x
  3. Step 3: Cross multiply
    107,386.38x = 161,079.69 × 40,810.86
  4. Step 4: Simplify right side
    107,386.38x = 6,573,800,677.43
  5. Step 5: Solve for x
    x = 6,573,800,677.43/107,386.38
  6. Step 6: Final answer
    x = 61,216.34

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1.5x scale

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.