Home / 161,649.36-223,083.02-90,029.39

Finding the Fourth Proportional to 161,649.36, 223,083.02 and 90,029.39

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Solution

The fourth proportional to 161,649.36, 223,083.02 and 90,029.39 is: 124,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,649.36 : 223,083.02 = 90,029.39 : x
  2. Step 2: Convert to fraction form
    161,649.36/223,083.02 = 90,029.39/x
  3. Step 3: Cross multiply
    161,649.36x = 223,083.02 × 90,029.39
  4. Step 4: Simplify right side
    161,649.36x = 20,084,026,644.40
  5. Step 5: Solve for x
    x = 20,084,026,644.40/161,649.36
  6. Step 6: Final answer
    x = 124,244.39

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1.5x scale

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.