Home / 261,087.05-360,300.74-147,909.80

Finding the Fourth Proportional to 261,087.05, 360,300.74 and 147,909.80

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Solution

The fourth proportional to 261,087.05, 360,300.74 and 147,909.80 is: 204,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,087.05 : 360,300.74 = 147,909.80 : x
  2. Step 2: Convert to fraction form
    261,087.05/360,300.74 = 147,909.80/x
  3. Step 3: Cross multiply
    261,087.05x = 360,300.74 × 147,909.80
  4. Step 4: Simplify right side
    261,087.05x = 53,292,007,852.20
  5. Step 5: Solve for x
    x = 53,292,007,852.20/261,087.05
  6. Step 6: Final answer
    x = 204,115.86

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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.