Home / 105,999.40-146,278.68-60,677.13

Finding the Fourth Proportional to 105,999.40, 146,278.68 and 60,677.13

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Solution

The fourth proportional to 105,999.40, 146,278.68 and 60,677.13 is: 83,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,999.40 : 146,278.68 = 60,677.13 : x
  2. Step 2: Convert to fraction form
    105,999.40/146,278.68 = 60,677.13/x
  3. Step 3: Cross multiply
    105,999.40x = 146,278.68 × 60,677.13
  4. Step 4: Simplify right side
    105,999.40x = 8,875,770,482.59
  5. Step 5: Solve for x
    x = 8,875,770,482.59/105,999.40
  6. Step 6: Final answer
    x = 83,734.16

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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.