Home / 199,474.32-275,298.76-145,732.44

Finding the Fourth Proportional to 199,474.32, 275,298.76 and 145,732.44

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Solution

The fourth proportional to 199,474.32, 275,298.76 and 145,732.44 is: 201,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,474.32 : 275,298.76 = 145,732.44 : x
  2. Step 2: Convert to fraction form
    199,474.32/275,298.76 = 145,732.44/x
  3. Step 3: Cross multiply
    199,474.32x = 275,298.76 × 145,732.44
  4. Step 4: Simplify right side
    199,474.32x = 40,119,960,023.77
  5. Step 5: Solve for x
    x = 40,119,960,023.77/199,474.32
  6. Step 6: Final answer
    x = 201,128.45

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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.