Home / 140,154.12-210,285.45-51,468.84

Finding the Fourth Proportional to 140,154.12, 210,285.45 and 51,468.84

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Solution

The fourth proportional to 140,154.12, 210,285.45 and 51,468.84 is: 77,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,154.12 : 210,285.45 = 51,468.84 : x
  2. Step 2: Convert to fraction form
    140,154.12/210,285.45 = 51,468.84/x
  3. Step 3: Cross multiply
    140,154.12x = 210,285.45 × 51,468.84
  4. Step 4: Simplify right side
    140,154.12x = 10,823,148,180.38
  5. Step 5: Solve for x
    x = 10,823,148,180.38/140,154.12
  6. Step 6: Final answer
    x = 77,223.19

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1.5x scale

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.