Home / 131,537.98-181,479.39-80,497.50

Finding the Fourth Proportional to 131,537.98, 181,479.39 and 80,497.50

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Solution

The fourth proportional to 131,537.98, 181,479.39 and 80,497.50 is: 111,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,537.98 : 181,479.39 = 80,497.50 : x
  2. Step 2: Convert to fraction form
    131,537.98/181,479.39 = 80,497.50/x
  3. Step 3: Cross multiply
    131,537.98x = 181,479.39 × 80,497.50
  4. Step 4: Simplify right side
    131,537.98x = 14,608,636,214.11
  5. Step 5: Solve for x
    x = 14,608,636,214.11/131,537.98
  6. Step 6: Final answer
    x = 111,060.22

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1.5x scale

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.