Home / 105,724.95-145,903.31-60,410.31

Finding the Fourth Proportional to 105,724.95, 145,903.31 and 60,410.31

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Solution

The fourth proportional to 105,724.95, 145,903.31 and 60,410.31 is: 83,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,724.95 : 145,903.31 = 60,410.31 : x
  2. Step 2: Convert to fraction form
    105,724.95/145,903.31 = 60,410.31/x
  3. Step 3: Cross multiply
    105,724.95x = 145,903.31 × 60,410.31
  4. Step 4: Simplify right side
    105,724.95x = 8,814,063,564.48
  5. Step 5: Solve for x
    x = 8,814,063,564.48/105,724.95
  6. Step 6: Final answer
    x = 83,367.87

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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.