Home / 141,677.48-212,491.56-52,931.72

Finding the Fourth Proportional to 141,677.48, 212,491.56 and 52,931.72

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Solution

The fourth proportional to 141,677.48, 212,491.56 and 52,931.72 is: 79,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,677.48 : 212,491.56 = 52,931.72 : x
  2. Step 2: Convert to fraction form
    141,677.48/212,491.56 = 52,931.72/x
  3. Step 3: Cross multiply
    141,677.48x = 212,491.56 × 52,931.72
  4. Step 4: Simplify right side
    141,677.48x = 11,247,543,756.28
  5. Step 5: Solve for x
    x = 11,247,543,756.28/141,677.48
  6. Step 6: Final answer
    x = 79,388.37

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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.