Home / 141,602.40-212,403.60-135,535.20

Finding the Fourth Proportional to 141,602.40, 212,403.60 and 135,535.20

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Solution

The fourth proportional to 141,602.40, 212,403.60 and 135,535.20 is: 203,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,602.40 : 212,403.60 = 135,535.20 : x
  2. Step 2: Convert to fraction form
    141,602.40/212,403.60 = 135,535.20/x
  3. Step 3: Cross multiply
    141,602.40x = 212,403.60 × 135,535.20
  4. Step 4: Simplify right side
    141,602.40x = 28,788,164,406.72
  5. Step 5: Solve for x
    x = 28,788,164,406.72/141,602.40
  6. Step 6: Final answer
    x = 203,302.80

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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.