Home / 102,530.76-153,818.91-31,463.25

Finding the Fourth Proportional to 102,530.76, 153,818.91 and 31,463.25

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Solution

The fourth proportional to 102,530.76, 153,818.91 and 31,463.25 is: 47,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,530.76 : 153,818.91 = 31,463.25 : x
  2. Step 2: Convert to fraction form
    102,530.76/153,818.91 = 31,463.25/x
  3. Step 3: Cross multiply
    102,530.76x = 153,818.91 × 31,463.25
  4. Step 4: Simplify right side
    102,530.76x = 4,839,642,820.06
  5. Step 5: Solve for x
    x = 4,839,642,820.06/102,530.76
  6. Step 6: Final answer
    x = 47,201.86

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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.