Home / 195,643.20-270,122.40-144,667.20

Finding the Fourth Proportional to 195,643.20, 270,122.40 and 144,667.20

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Solution

The fourth proportional to 195,643.20, 270,122.40 and 144,667.20 is: 199,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,643.20 : 270,122.40 = 144,667.20 : x
  2. Step 2: Convert to fraction form
    195,643.20/270,122.40 = 144,667.20/x
  3. Step 3: Cross multiply
    195,643.20x = 270,122.40 × 144,667.20
  4. Step 4: Simplify right side
    195,643.20x = 39,077,851,265.28
  5. Step 5: Solve for x
    x = 39,077,851,265.28/195,643.20
  6. Step 6: Final answer
    x = 199,740.40

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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.