Home / 223,171.18-307,823.34-142,562.92

Finding the Fourth Proportional to 223,171.18, 307,823.34 and 142,562.92

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Solution

The fourth proportional to 223,171.18, 307,823.34 and 142,562.92 is: 196,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,171.18 : 307,823.34 = 142,562.92 : x
  2. Step 2: Convert to fraction form
    223,171.18/307,823.34 = 142,562.92/x
  3. Step 3: Cross multiply
    223,171.18x = 307,823.34 × 142,562.92
  4. Step 4: Simplify right side
    223,171.18x = 43,884,194,194.55
  5. Step 5: Solve for x
    x = 43,884,194,194.55/223,171.18
  6. Step 6: Final answer
    x = 196,639.16

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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.