Home / 131,581.86-197,392.23-38,075.46

Finding the Fourth Proportional to 131,581.86, 197,392.23 and 38,075.46

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Solution

The fourth proportional to 131,581.86, 197,392.23 and 38,075.46 is: 57,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,581.86 : 197,392.23 = 38,075.46 : x
  2. Step 2: Convert to fraction form
    131,581.86/197,392.23 = 38,075.46/x
  3. Step 3: Cross multiply
    131,581.86x = 197,392.23 × 38,075.46
  4. Step 4: Simplify right side
    131,581.86x = 7,515,799,957.68
  5. Step 5: Solve for x
    x = 7,515,799,957.68/131,581.86
  6. Step 6: Final answer
    x = 57,118.82

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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.