Home / 141,337.20-212,005.80-102,169.20

Finding the Fourth Proportional to 141,337.20, 212,005.80 and 102,169.20

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Solution

The fourth proportional to 141,337.20, 212,005.80 and 102,169.20 is: 153,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,337.20 : 212,005.80 = 102,169.20 : x
  2. Step 2: Convert to fraction form
    141,337.20/212,005.80 = 102,169.20/x
  3. Step 3: Cross multiply
    141,337.20x = 212,005.80 × 102,169.20
  4. Step 4: Simplify right side
    141,337.20x = 21,660,462,981.36
  5. Step 5: Solve for x
    x = 21,660,462,981.36/141,337.20
  6. Step 6: Final answer
    x = 153,253.80

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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.