Home / 152,671.80-229,007.70-105,432.60

Finding the Fourth Proportional to 152,671.80, 229,007.70 and 105,432.60

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Solution

The fourth proportional to 152,671.80, 229,007.70 and 105,432.60 is: 158,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,671.80 : 229,007.70 = 105,432.60 : x
  2. Step 2: Convert to fraction form
    152,671.80/229,007.70 = 105,432.60/x
  3. Step 3: Cross multiply
    152,671.80x = 229,007.70 × 105,432.60
  4. Step 4: Simplify right side
    152,671.80x = 24,144,877,231.02
  5. Step 5: Solve for x
    x = 24,144,877,231.02/152,671.80
  6. Step 6: Final answer
    x = 158,148.90

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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.