Home / 157,091.80-235,637.70-140,033.20

Finding the Fourth Proportional to 157,091.80, 235,637.70 and 140,033.20

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Solution

The fourth proportional to 157,091.80, 235,637.70 and 140,033.20 is: 210,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,091.80 : 235,637.70 = 140,033.20 : x
  2. Step 2: Convert to fraction form
    157,091.80/235,637.70 = 140,033.20/x
  3. Step 3: Cross multiply
    157,091.80x = 235,637.70 × 140,033.20
  4. Step 4: Simplify right side
    157,091.80x = 32,997,101,171.64
  5. Step 5: Solve for x
    x = 32,997,101,171.64/157,091.80
  6. Step 6: Final answer
    x = 210,049.80

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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.