Home / 131,497.39-181,422.07-74,868.67

Finding the Fourth Proportional to 131,497.39, 181,422.07 and 74,868.67

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Solution

The fourth proportional to 131,497.39, 181,422.07 and 74,868.67 is: 103,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,497.39 : 181,422.07 = 74,868.67 : x
  2. Step 2: Convert to fraction form
    131,497.39/181,422.07 = 74,868.67/x
  3. Step 3: Cross multiply
    131,497.39x = 181,422.07 × 74,868.67
  4. Step 4: Simplify right side
    131,497.39x = 13,582,829,089.55
  5. Step 5: Solve for x
    x = 13,582,829,089.55/131,497.39
  6. Step 6: Final answer
    x = 103,293.53

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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.