Home / 141,948.30-212,860.13-53,139.53

Finding the Fourth Proportional to 141,948.30, 212,860.13 and 53,139.53

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Solution

The fourth proportional to 141,948.30, 212,860.13 and 53,139.53 is: 79,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,948.30 : 212,860.13 = 53,139.53 : x
  2. Step 2: Convert to fraction form
    141,948.30/212,860.13 = 53,139.53/x
  3. Step 3: Cross multiply
    141,948.30x = 212,860.13 × 53,139.53
  4. Step 4: Simplify right side
    141,948.30x = 11,311,287,263.94
  5. Step 5: Solve for x
    x = 11,311,287,263.94/141,948.30
  6. Step 6: Final answer
    x = 79,685.96

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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.