Home / 261,870.39-361,370.97-160,066.31

Finding the Fourth Proportional to 261,870.39, 361,370.97 and 160,066.31

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Solution

The fourth proportional to 261,870.39, 361,370.97 and 160,066.31 is: 220,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,870.39 : 361,370.97 = 160,066.31 : x
  2. Step 2: Convert to fraction form
    261,870.39/361,370.97 = 160,066.31/x
  3. Step 3: Cross multiply
    261,870.39x = 361,370.97 × 160,066.31
  4. Step 4: Simplify right side
    261,870.39x = 57,843,315,902.17
  5. Step 5: Solve for x
    x = 57,843,315,902.17/261,870.39
  6. Step 6: Final answer
    x = 220,885.29

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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.