Home / 221,801.04-306,050.04-126,309.60

Finding the Fourth Proportional to 221,801.04, 306,050.04 and 126,309.60

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Solution

The fourth proportional to 221,801.04, 306,050.04 and 126,309.60 is: 174,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,801.04 : 306,050.04 = 126,309.60 : x
  2. Step 2: Convert to fraction form
    221,801.04/306,050.04 = 126,309.60/x
  3. Step 3: Cross multiply
    221,801.04x = 306,050.04 × 126,309.60
  4. Step 4: Simplify right side
    221,801.04x = 38,657,058,132.38
  5. Step 5: Solve for x
    x = 38,657,058,132.38/221,801.04
  6. Step 6: Final answer
    x = 174,287.09

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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.