Home / 268,024.36-402,094.86-81,031

Finding the Fourth Proportional to 268,024.36, 402,094.86 and 81,031

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Solution

The fourth proportional to 268,024.36, 402,094.86 and 81,031 is: 121,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,024.36 : 402,094.86 = 81,031 : x
  2. Step 2: Convert to fraction form
    268,024.36/402,094.86 = 81,031/x
  3. Step 3: Cross multiply
    268,024.36x = 402,094.86 × 81,031
  4. Step 4: Simplify right side
    268,024.36x = 32,582,148,600.66
  5. Step 5: Solve for x
    x = 32,582,148,600.66/268,024.36
  6. Step 6: Final answer
    x = 121,564.13

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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.