Home / 105,869.80-146,103.78-60,531.40

Finding the Fourth Proportional to 105,869.80, 146,103.78 and 60,531.40

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Solution

The fourth proportional to 105,869.80, 146,103.78 and 60,531.40 is: 83,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,869.80 : 146,103.78 = 60,531.40 : x
  2. Step 2: Convert to fraction form
    105,869.80/146,103.78 = 60,531.40/x
  3. Step 3: Cross multiply
    105,869.80x = 146,103.78 × 60,531.40
  4. Step 4: Simplify right side
    105,869.80x = 8,843,866,348.69
  5. Step 5: Solve for x
    x = 8,843,866,348.69/105,869.80
  6. Step 6: Final answer
    x = 83,535.31

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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.