Home / 88,284.79-121,883.22-58,157.65

Finding the Fourth Proportional to 88,284.79, 121,883.22 and 58,157.65

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Solution

The fourth proportional to 88,284.79, 121,883.22 and 58,157.65 is: 80,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,284.79 : 121,883.22 = 58,157.65 : x
  2. Step 2: Convert to fraction form
    88,284.79/121,883.22 = 58,157.65/x
  3. Step 3: Cross multiply
    88,284.79x = 121,883.22 × 58,157.65
  4. Step 4: Simplify right side
    88,284.79x = 7,088,440,749.43
  5. Step 5: Solve for x
    x = 7,088,440,749.43/88,284.79
  6. Step 6: Final answer
    x = 80,290.63

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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.