Home / 144,636.02-199,617.64-87,278.30

Finding the Fourth Proportional to 144,636.02, 199,617.64 and 87,278.30

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Solution

The fourth proportional to 144,636.02, 199,617.64 and 87,278.30 is: 120,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,636.02 : 199,617.64 = 87,278.30 : x
  2. Step 2: Convert to fraction form
    144,636.02/199,617.64 = 87,278.30/x
  3. Step 3: Cross multiply
    144,636.02x = 199,617.64 × 87,278.30
  4. Step 4: Simplify right side
    144,636.02x = 17,422,288,269.21
  5. Step 5: Solve for x
    x = 17,422,288,269.21/144,636.02
  6. Step 6: Final answer
    x = 120,456.08

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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.