Home / 105,816.04-158,722.31-42,634.62

Finding the Fourth Proportional to 105,816.04, 158,722.31 and 42,634.62

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Solution

The fourth proportional to 105,816.04, 158,722.31 and 42,634.62 is: 63,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.04 : 158,722.31 = 42,634.62 : x
  2. Step 2: Convert to fraction form
    105,816.04/158,722.31 = 42,634.62/x
  3. Step 3: Cross multiply
    105,816.04x = 158,722.31 × 42,634.62
  4. Step 4: Simplify right side
    105,816.04x = 6,767,065,478.96
  5. Step 5: Solve for x
    x = 6,767,065,478.96/105,816.04
  6. Step 6: Final answer
    x = 63,951.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.