Home / 250,820.52-346,132.28-137,643.24

Finding the Fourth Proportional to 250,820.52, 346,132.28 and 137,643.24

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Solution

The fourth proportional to 250,820.52, 346,132.28 and 137,643.24 is: 189,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,820.52 : 346,132.28 = 137,643.24 : x
  2. Step 2: Convert to fraction form
    250,820.52/346,132.28 = 137,643.24/x
  3. Step 3: Cross multiply
    250,820.52x = 346,132.28 × 137,643.24
  4. Step 4: Simplify right side
    250,820.52x = 47,642,768,487.79
  5. Step 5: Solve for x
    x = 47,642,768,487.79/250,820.52
  6. Step 6: Final answer
    x = 189,947.65

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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.