Home / 107,164.18-147,887.26-61,844.07

Finding the Fourth Proportional to 107,164.18, 147,887.26 and 61,844.07

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Solution

The fourth proportional to 107,164.18, 147,887.26 and 61,844.07 is: 85,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,164.18 : 147,887.26 = 61,844.07 : x
  2. Step 2: Convert to fraction form
    107,164.18/147,887.26 = 61,844.07/x
  3. Step 3: Cross multiply
    107,164.18x = 147,887.26 × 61,844.07
  4. Step 4: Simplify right side
    107,164.18x = 9,145,949,904.94
  5. Step 5: Solve for x
    x = 9,145,949,904.94/107,164.18
  6. Step 6: Final answer
    x = 85,345.22

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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.