Home / 259,805.07-358,527.47-145,085.58

Finding the Fourth Proportional to 259,805.07, 358,527.47 and 145,085.58

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Solution

The fourth proportional to 259,805.07, 358,527.47 and 145,085.58 is: 200,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,805.07 : 358,527.47 = 145,085.58 : x
  2. Step 2: Convert to fraction form
    259,805.07/358,527.47 = 145,085.58/x
  3. Step 3: Cross multiply
    259,805.07x = 358,527.47 × 145,085.58
  4. Step 4: Simplify right side
    259,805.07x = 52,017,165,205.45
  5. Step 5: Solve for x
    x = 52,017,165,205.45/259,805.07
  6. Step 6: Final answer
    x = 200,216.13

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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.