Home / 88,277.40-132,416.10-86,722.20

Finding the Fourth Proportional to 88,277.40, 132,416.10 and 86,722.20

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Solution

The fourth proportional to 88,277.40, 132,416.10 and 86,722.20 is: 130,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,277.40 : 132,416.10 = 86,722.20 : x
  2. Step 2: Convert to fraction form
    88,277.40/132,416.10 = 86,722.20/x
  3. Step 3: Cross multiply
    88,277.40x = 132,416.10 × 86,722.20
  4. Step 4: Simplify right side
    88,277.40x = 11,483,415,507.42
  5. Step 5: Solve for x
    x = 11,483,415,507.42/88,277.40
  6. Step 6: Final answer
    x = 130,083.30

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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.