Home / 220,636.44-304,490.04-125,173.80

Finding the Fourth Proportional to 220,636.44, 304,490.04 and 125,173.80

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Solution

The fourth proportional to 220,636.44, 304,490.04 and 125,173.80 is: 172,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,636.44 : 304,490.04 = 125,173.80 : x
  2. Step 2: Convert to fraction form
    220,636.44/304,490.04 = 125,173.80/x
  3. Step 3: Cross multiply
    220,636.44x = 304,490.04 × 125,173.80
  4. Step 4: Simplify right side
    220,636.44x = 38,114,175,368.95
  5. Step 5: Solve for x
    x = 38,114,175,368.95/220,636.44
  6. Step 6: Final answer
    x = 172,746.51

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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.