Home / 239,021.60-358,366.20-105,829.13

Finding the Fourth Proportional to 239,021.60, 358,366.20 and 105,829.13

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Solution

The fourth proportional to 239,021.60, 358,366.20 and 105,829.13 is: 158,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,021.60 : 358,366.20 = 105,829.13 : x
  2. Step 2: Convert to fraction form
    239,021.60/358,366.20 = 105,829.13/x
  3. Step 3: Cross multiply
    239,021.60x = 358,366.20 × 105,829.13
  4. Step 4: Simplify right side
    239,021.60x = 37,925,583,167.41
  5. Step 5: Solve for x
    x = 37,925,583,167.41/239,021.60
  6. Step 6: Final answer
    x = 158,670.11

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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.