Home / 105,565.66-145,679.11-60,258.00

Finding the Fourth Proportional to 105,565.66, 145,679.11 and 60,258.00

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Solution

The fourth proportional to 105,565.66, 145,679.11 and 60,258.00 is: 83,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,565.66 : 145,679.11 = 60,258.00 : x
  2. Step 2: Convert to fraction form
    105,565.66/145,679.11 = 60,258.00/x
  3. Step 3: Cross multiply
    105,565.66x = 145,679.11 × 60,258.00
  4. Step 4: Simplify right side
    105,565.66x = 8,778,331,446.18
  5. Step 5: Solve for x
    x = 8,778,331,446.18/105,565.66
  6. Step 6: Final answer
    x = 83,155.18

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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.