Home / 141,620.40-212,430.60-134,731.35

Finding the Fourth Proportional to 141,620.40, 212,430.60 and 134,731.35

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Solution

The fourth proportional to 141,620.40, 212,430.60 and 134,731.35 is: 202,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.40 : 212,430.60 = 134,731.35 : x
  2. Step 2: Convert to fraction form
    141,620.40/212,430.60 = 134,731.35/x
  3. Step 3: Cross multiply
    141,620.40x = 212,430.60 × 134,731.35
  4. Step 4: Simplify right side
    141,620.40x = 28,621,061,519.31
  5. Step 5: Solve for x
    x = 28,621,061,519.31/141,620.40
  6. Step 6: Final answer
    x = 202,097.03

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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.