Home / 105,998.73-146,275.20-58,252.02

Finding the Fourth Proportional to 105,998.73, 146,275.20 and 58,252.02

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Solution

The fourth proportional to 105,998.73, 146,275.20 and 58,252.02 is: 80,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,998.73 : 146,275.20 = 58,252.02 : x
  2. Step 2: Convert to fraction form
    105,998.73/146,275.20 = 58,252.02/x
  3. Step 3: Cross multiply
    105,998.73x = 146,275.20 × 58,252.02
  4. Step 4: Simplify right side
    105,998.73x = 8,520,825,875.90
  5. Step 5: Solve for x
    x = 8,520,825,875.90/105,998.73
  6. Step 6: Final answer
    x = 80,386.11

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1.5x scale

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.