Home / 141,712.64-212,423.16-62,864

Finding the Fourth Proportional to 141,712.64, 212,423.16 and 62,864

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Solution

The fourth proportional to 141,712.64, 212,423.16 and 62,864 is: 94,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.64 : 212,423.16 = 62,864 : x
  2. Step 2: Convert to fraction form
    141,712.64/212,423.16 = 62,864/x
  3. Step 3: Cross multiply
    141,712.64x = 212,423.16 × 62,864
  4. Step 4: Simplify right side
    141,712.64x = 13,353,769,530.24
  5. Step 5: Solve for x
    x = 13,353,769,530.24/141,712.64
  6. Step 6: Final answer
    x = 94,231.32

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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.