Home / 124,665.45-172,053.09-70,219.41

Finding the Fourth Proportional to 124,665.45, 172,053.09 and 70,219.41

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Solution

The fourth proportional to 124,665.45, 172,053.09 and 70,219.41 is: 96,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,665.45 : 172,053.09 = 70,219.41 : x
  2. Step 2: Convert to fraction form
    124,665.45/172,053.09 = 70,219.41/x
  3. Step 3: Cross multiply
    124,665.45x = 172,053.09 × 70,219.41
  4. Step 4: Simplify right side
    124,665.45x = 12,081,466,468.48
  5. Step 5: Solve for x
    x = 12,081,466,468.48/124,665.45
  6. Step 6: Final answer
    x = 96,911.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.