Home / 141,920.48-212,818.89-40,696.20

Finding the Fourth Proportional to 141,920.48, 212,818.89 and 40,696.20

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Solution

The fourth proportional to 141,920.48, 212,818.89 and 40,696.20 is: 61,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,920.48 : 212,818.89 = 40,696.20 : x
  2. Step 2: Convert to fraction form
    141,920.48/212,818.89 = 40,696.20/x
  3. Step 3: Cross multiply
    141,920.48x = 212,818.89 × 40,696.20
  4. Step 4: Simplify right side
    141,920.48x = 8,660,920,111.22
  5. Step 5: Solve for x
    x = 8,660,920,111.22/141,920.48
  6. Step 6: Final answer
    x = 61,026.57

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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.