Home / 105,432.50-158,148.86-43,103.00

Finding the Fourth Proportional to 105,432.50, 158,148.86 and 43,103.00

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Solution

The fourth proportional to 105,432.50, 158,148.86 and 43,103.00 is: 64,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,432.50 : 158,148.86 = 43,103.00 : x
  2. Step 2: Convert to fraction form
    105,432.50/158,148.86 = 43,103.00/x
  3. Step 3: Cross multiply
    105,432.50x = 158,148.86 × 43,103.00
  4. Step 4: Simplify right side
    105,432.50x = 6,816,690,492.44
  5. Step 5: Solve for x
    x = 6,816,690,492.44/105,432.50
  6. Step 6: Final answer
    x = 64,654.55

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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.