Home / 178,630.05-268,026.93-77,459.13

Finding the Fourth Proportional to 178,630.05, 268,026.93 and 77,459.13

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Solution

The fourth proportional to 178,630.05, 268,026.93 and 77,459.13 is: 116,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,630.05 : 268,026.93 = 77,459.13 : x
  2. Step 2: Convert to fraction form
    178,630.05/268,026.93 = 77,459.13/x
  3. Step 3: Cross multiply
    178,630.05x = 268,026.93 × 77,459.13
  4. Step 4: Simplify right side
    178,630.05x = 20,761,132,814.37
  5. Step 5: Solve for x
    x = 20,761,132,814.37/178,630.05
  6. Step 6: Final answer
    x = 116,224.19

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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.