Home / 105,977.66-146,248.76-60,655.46

Finding the Fourth Proportional to 105,977.66, 146,248.76 and 60,655.46

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Solution

The fourth proportional to 105,977.66, 146,248.76 and 60,655.46 is: 83,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,977.66 : 146,248.76 = 60,655.46 : x
  2. Step 2: Convert to fraction form
    105,977.66/146,248.76 = 60,655.46/x
  3. Step 3: Cross multiply
    105,977.66x = 146,248.76 × 60,655.46
  4. Step 4: Simplify right side
    105,977.66x = 8,870,785,812.23
  5. Step 5: Solve for x
    x = 8,870,785,812.23/105,977.66
  6. Step 6: Final answer
    x = 83,704.30

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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.