Home / 107,029.64-147,699.41-61,707.71

Finding the Fourth Proportional to 107,029.64, 147,699.41 and 61,707.71

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Solution

The fourth proportional to 107,029.64, 147,699.41 and 61,707.71 is: 85,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,029.64 : 147,699.41 = 61,707.71 : x
  2. Step 2: Convert to fraction form
    107,029.64/147,699.41 = 61,707.71/x
  3. Step 3: Cross multiply
    107,029.64x = 147,699.41 × 61,707.71
  4. Step 4: Simplify right side
    107,029.64x = 9,114,192,420.16
  5. Step 5: Solve for x
    x = 9,114,192,420.16/107,029.64
  6. Step 6: Final answer
    x = 85,155.78

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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.