Home / 88,689.08-133,131.64-88,360.22

Finding the Fourth Proportional to 88,689.08, 133,131.64 and 88,360.22

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Solution

The fourth proportional to 88,689.08, 133,131.64 and 88,360.22 is: 132,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689.08 : 133,131.64 = 88,360.22 : x
  2. Step 2: Convert to fraction form
    88,689.08/133,131.64 = 88,360.22/x
  3. Step 3: Cross multiply
    88,689.08x = 133,131.64 × 88,360.22
  4. Step 4: Simplify right side
    88,689.08x = 11,763,540,999.36
  5. Step 5: Solve for x
    x = 11,763,540,999.36/88,689.08
  6. Step 6: Final answer
    x = 132,637.99

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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.