Home / 223,210.70-307,943.92-126,392.32

Finding the Fourth Proportional to 223,210.70, 307,943.92 and 126,392.32

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Solution

The fourth proportional to 223,210.70, 307,943.92 and 126,392.32 is: 174,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,210.70 : 307,943.92 = 126,392.32 : x
  2. Step 2: Convert to fraction form
    223,210.70/307,943.92 = 126,392.32/x
  3. Step 3: Cross multiply
    223,210.70x = 307,943.92 × 126,392.32
  4. Step 4: Simplify right side
    223,210.70x = 38,921,746,478.69
  5. Step 5: Solve for x
    x = 38,921,746,478.69/223,210.70
  6. Step 6: Final answer
    x = 174,372.23

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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.