Home / 141,883.28-212,837.18-40,681.77

Finding the Fourth Proportional to 141,883.28, 212,837.18 and 40,681.77

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Solution

The fourth proportional to 141,883.28, 212,837.18 and 40,681.77 is: 61,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,883.28 : 212,837.18 = 40,681.77 : x
  2. Step 2: Convert to fraction form
    141,883.28/212,837.18 = 40,681.77/x
  3. Step 3: Cross multiply
    141,883.28x = 212,837.18 × 40,681.77
  4. Step 4: Simplify right side
    141,883.28x = 8,658,593,000.80
  5. Step 5: Solve for x
    x = 8,658,593,000.80/141,883.28
  6. Step 6: Final answer
    x = 61,026.17

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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.