Home / 108,955.13-150,357.18-61,207.46

Finding the Fourth Proportional to 108,955.13, 150,357.18 and 61,207.46

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Solution

The fourth proportional to 108,955.13, 150,357.18 and 61,207.46 is: 84,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.13 : 150,357.18 = 61,207.46 : x
  2. Step 2: Convert to fraction form
    108,955.13/150,357.18 = 61,207.46/x
  3. Step 3: Cross multiply
    108,955.13x = 150,357.18 × 61,207.46
  4. Step 4: Simplify right side
    108,955.13x = 9,202,980,099.25
  5. Step 5: Solve for x
    x = 9,202,980,099.25/108,955.13
  6. Step 6: Final answer
    x = 84,465.78

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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.