Home / 115,412.10-173,118.15-109,968.90

Finding the Fourth Proportional to 115,412.10, 173,118.15 and 109,968.90

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Solution

The fourth proportional to 115,412.10, 173,118.15 and 109,968.90 is: 164,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.10 : 173,118.15 = 109,968.90 : x
  2. Step 2: Convert to fraction form
    115,412.10/173,118.15 = 109,968.90/x
  3. Step 3: Cross multiply
    115,412.10x = 173,118.15 × 109,968.90
  4. Step 4: Simplify right side
    115,412.10x = 19,037,612,525.54
  5. Step 5: Solve for x
    x = 19,037,612,525.54/115,412.10
  6. Step 6: Final answer
    x = 164,953.35

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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.