Home / 140,881.64-194,421.06-77,225.48

Finding the Fourth Proportional to 140,881.64, 194,421.06 and 77,225.48

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Solution

The fourth proportional to 140,881.64, 194,421.06 and 77,225.48 is: 106,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,881.64 : 194,421.06 = 77,225.48 : x
  2. Step 2: Convert to fraction form
    140,881.64/194,421.06 = 77,225.48/x
  3. Step 3: Cross multiply
    140,881.64x = 194,421.06 × 77,225.48
  4. Step 4: Simplify right side
    140,881.64x = 15,014,259,680.61
  5. Step 5: Solve for x
    x = 15,014,259,680.61/140,881.64
  6. Step 6: Final answer
    x = 106,573.57

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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.