Home / 131,756.14-181,823.27-71,326.77

Finding the Fourth Proportional to 131,756.14, 181,823.27 and 71,326.77

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Solution

The fourth proportional to 131,756.14, 181,823.27 and 71,326.77 is: 98,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,756.14 : 181,823.27 = 71,326.77 : x
  2. Step 2: Convert to fraction form
    131,756.14/181,823.27 = 71,326.77/x
  3. Step 3: Cross multiply
    131,756.14x = 181,823.27 × 71,326.77
  4. Step 4: Simplify right side
    131,756.14x = 12,968,866,559.94
  5. Step 5: Solve for x
    x = 12,968,866,559.94/131,756.14
  6. Step 6: Final answer
    x = 98,430.83

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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.