Home / 221,078.04-304,870.96-140,365.44

Finding the Fourth Proportional to 221,078.04, 304,870.96 and 140,365.44

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Solution

The fourth proportional to 221,078.04, 304,870.96 and 140,365.44 is: 193,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,078.04 : 304,870.96 = 140,365.44 : x
  2. Step 2: Convert to fraction form
    221,078.04/304,870.96 = 140,365.44/x
  3. Step 3: Cross multiply
    221,078.04x = 304,870.96 × 140,365.44
  4. Step 4: Simplify right side
    221,078.04x = 42,793,345,741.80
  5. Step 5: Solve for x
    x = 42,793,345,741.80/221,078.04
  6. Step 6: Final answer
    x = 193,566.70

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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.