Home / 141,752.20-212,628.30-57,512.20

Finding the Fourth Proportional to 141,752.20, 212,628.30 and 57,512.20

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Solution

The fourth proportional to 141,752.20, 212,628.30 and 57,512.20 is: 86,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,752.20 : 212,628.30 = 57,512.20 : x
  2. Step 2: Convert to fraction form
    141,752.20/212,628.30 = 57,512.20/x
  3. Step 3: Cross multiply
    141,752.20x = 212,628.30 × 57,512.20
  4. Step 4: Simplify right side
    141,752.20x = 12,228,721,315.26
  5. Step 5: Solve for x
    x = 12,228,721,315.26/141,752.20
  6. Step 6: Final answer
    x = 86,268.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.