Home / 88,144.00-121,420.83-75,181.05

Finding the Fourth Proportional to 88,144.00, 121,420.83 and 75,181.05

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Solution

The fourth proportional to 88,144.00, 121,420.83 and 75,181.05 is: 103,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,144.00 : 121,420.83 = 75,181.05 : x
  2. Step 2: Convert to fraction form
    88,144.00/121,420.83 = 75,181.05/x
  3. Step 3: Cross multiply
    88,144.00x = 121,420.83 × 75,181.05
  4. Step 4: Simplify right side
    88,144.00x = 9,128,545,274.52
  5. Step 5: Solve for x
    x = 9,128,545,274.52/88,144.00
  6. Step 6: Final answer
    x = 103,564.00

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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.