Home / 88,024.88-131,701.98-77,410.64

Finding the Fourth Proportional to 88,024.88, 131,701.98 and 77,410.64

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Solution

The fourth proportional to 88,024.88, 131,701.98 and 77,410.64 is: 115,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,024.88 : 131,701.98 = 77,410.64 : x
  2. Step 2: Convert to fraction form
    88,024.88/131,701.98 = 77,410.64/x
  3. Step 3: Cross multiply
    88,024.88x = 131,701.98 × 77,410.64
  4. Step 4: Simplify right side
    88,024.88x = 10,195,134,561.07
  5. Step 5: Solve for x
    x = 10,195,134,561.07/88,024.88
  6. Step 6: Final answer
    x = 115,821.06

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1.5x scale

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.