Home / 160,664.90-221,461.79-126,618.78

Finding the Fourth Proportional to 160,664.90, 221,461.79 and 126,618.78

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Solution

The fourth proportional to 160,664.90, 221,461.79 and 126,618.78 is: 174,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,664.90 : 221,461.79 = 126,618.78 : x
  2. Step 2: Convert to fraction form
    160,664.90/221,461.79 = 126,618.78/x
  3. Step 3: Cross multiply
    160,664.90x = 221,461.79 × 126,618.78
  4. Step 4: Simplify right side
    160,664.90x = 28,041,221,982.96
  5. Step 5: Solve for x
    x = 28,041,221,982.96/160,664.90
  6. Step 6: Final answer
    x = 174,532.34

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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.