Home / 199,420.76-275,302.20-153,996.77

Finding the Fourth Proportional to 199,420.76, 275,302.20 and 153,996.77

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Solution

The fourth proportional to 199,420.76, 275,302.20 and 153,996.77 is: 212,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,420.76 : 275,302.20 = 153,996.77 : x
  2. Step 2: Convert to fraction form
    199,420.76/275,302.20 = 153,996.77/x
  3. Step 3: Cross multiply
    199,420.76x = 275,302.20 × 153,996.77
  4. Step 4: Simplify right side
    199,420.76x = 42,395,648,197.38
  5. Step 5: Solve for x
    x = 42,395,648,197.38/199,420.76
  6. Step 6: Final answer
    x = 212,593.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.