Home / 140,810.78-211,212.50-47,316.52

Finding the Fourth Proportional to 140,810.78, 211,212.50 and 47,316.52

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Solution

The fourth proportional to 140,810.78, 211,212.50 and 47,316.52 is: 70,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,810.78 : 211,212.50 = 47,316.52 : x
  2. Step 2: Convert to fraction form
    140,810.78/211,212.50 = 47,316.52/x
  3. Step 3: Cross multiply
    140,810.78x = 211,212.50 × 47,316.52
  4. Step 4: Simplify right side
    140,810.78x = 9,993,840,480.50
  5. Step 5: Solve for x
    x = 9,993,840,480.50/140,810.78
  6. Step 6: Final answer
    x = 70,973.55

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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.