Home / 140,655.78-210,772.13-56,332.35

Finding the Fourth Proportional to 140,655.78, 210,772.13 and 56,332.35

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Solution

The fourth proportional to 140,655.78, 210,772.13 and 56,332.35 is: 84,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,655.78 : 210,772.13 = 56,332.35 : x
  2. Step 2: Convert to fraction form
    140,655.78/210,772.13 = 56,332.35/x
  3. Step 3: Cross multiply
    140,655.78x = 210,772.13 × 56,332.35
  4. Step 4: Simplify right side
    140,655.78x = 11,873,289,115.74
  5. Step 5: Solve for x
    x = 11,873,289,115.74/140,655.78
  6. Step 6: Final answer
    x = 84,413.80

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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.