Home / 141,807.60-212,711.40-136,996.20

Finding the Fourth Proportional to 141,807.60, 212,711.40 and 136,996.20

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Solution

The fourth proportional to 141,807.60, 212,711.40 and 136,996.20 is: 205,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,807.60 : 212,711.40 = 136,996.20 : x
  2. Step 2: Convert to fraction form
    141,807.60/212,711.40 = 136,996.20/x
  3. Step 3: Cross multiply
    141,807.60x = 212,711.40 × 136,996.20
  4. Step 4: Simplify right side
    141,807.60x = 29,140,653,496.68
  5. Step 5: Solve for x
    x = 29,140,653,496.68/141,807.60
  6. Step 6: Final answer
    x = 205,494.30

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1.5x scale

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.