Home / 113,721.84-170,602.20-38,837.88

Finding the Fourth Proportional to 113,721.84, 170,602.20 and 38,837.88

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Solution

The fourth proportional to 113,721.84, 170,602.20 and 38,837.88 is: 58,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,721.84 : 170,602.20 = 38,837.88 : x
  2. Step 2: Convert to fraction form
    113,721.84/170,602.20 = 38,837.88/x
  3. Step 3: Cross multiply
    113,721.84x = 170,602.20 × 38,837.88
  4. Step 4: Simplify right side
    113,721.84x = 6,625,827,771.34
  5. Step 5: Solve for x
    x = 6,625,827,771.34/113,721.84
  6. Step 6: Final answer
    x = 58,263.46

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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.