Home / 268,760.07-370,888.47-147,909.15

Finding the Fourth Proportional to 268,760.07, 370,888.47 and 147,909.15

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Solution

The fourth proportional to 268,760.07, 370,888.47 and 147,909.15 is: 204,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,760.07 : 370,888.47 = 147,909.15 : x
  2. Step 2: Convert to fraction form
    268,760.07/370,888.47 = 147,909.15/x
  3. Step 3: Cross multiply
    268,760.07x = 370,888.47 × 147,909.15
  4. Step 4: Simplify right side
    268,760.07x = 54,857,798,342.50
  5. Step 5: Solve for x
    x = 54,857,798,342.50/268,760.07
  6. Step 6: Final answer
    x = 204,114.39

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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.