Home / 141,549.20-212,323.80-57,309.20

Finding the Fourth Proportional to 141,549.20, 212,323.80 and 57,309.20

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Solution

The fourth proportional to 141,549.20, 212,323.80 and 57,309.20 is: 85,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,549.20 : 212,323.80 = 57,309.20 : x
  2. Step 2: Convert to fraction form
    141,549.20/212,323.80 = 57,309.20/x
  3. Step 3: Cross multiply
    141,549.20x = 212,323.80 × 57,309.20
  4. Step 4: Simplify right side
    141,549.20x = 12,168,107,118.96
  5. Step 5: Solve for x
    x = 12,168,107,118.96/141,549.20
  6. Step 6: Final answer
    x = 85,963.80

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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.