Home / 155,540.08-214,650.16-88,476.40

Finding the Fourth Proportional to 155,540.08, 214,650.16 and 88,476.40

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Solution

The fourth proportional to 155,540.08, 214,650.16 and 88,476.40 is: 122,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,540.08 : 214,650.16 = 88,476.40 : x
  2. Step 2: Convert to fraction form
    155,540.08/214,650.16 = 88,476.40/x
  3. Step 3: Cross multiply
    155,540.08x = 214,650.16 × 88,476.40
  4. Step 4: Simplify right side
    155,540.08x = 18,991,473,416.22
  5. Step 5: Solve for x
    x = 18,991,473,416.22/155,540.08
  6. Step 6: Final answer
    x = 122,100.19

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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.