Home / 140,151.12-210,280.95-51,465.84

Finding the Fourth Proportional to 140,151.12, 210,280.95 and 51,465.84

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Solution

The fourth proportional to 140,151.12, 210,280.95 and 51,465.84 is: 77,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,151.12 : 210,280.95 = 51,465.84 : x
  2. Step 2: Convert to fraction form
    140,151.12/210,280.95 = 51,465.84/x
  3. Step 3: Cross multiply
    140,151.12x = 210,280.95 × 51,465.84
  4. Step 4: Simplify right side
    140,151.12x = 10,822,285,727.75
  5. Step 5: Solve for x
    x = 10,822,285,727.75/140,151.12
  6. Step 6: Final answer
    x = 77,218.69

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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.