Home / 138,770.22-208,164.60-48,802.14

Finding the Fourth Proportional to 138,770.22, 208,164.60 and 48,802.14

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Solution

The fourth proportional to 138,770.22, 208,164.60 and 48,802.14 is: 73,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,770.22 : 208,164.60 = 48,802.14 : x
  2. Step 2: Convert to fraction form
    138,770.22/208,164.60 = 48,802.14/x
  3. Step 3: Cross multiply
    138,770.22x = 208,164.60 × 48,802.14
  4. Step 4: Simplify right side
    138,770.22x = 10,158,877,952.24
  5. Step 5: Solve for x
    x = 10,158,877,952.24/138,770.22
  6. Step 6: Final answer
    x = 73,206.47

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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.