Home / 115,117.45-172,667.75-36,254.23

Finding the Fourth Proportional to 115,117.45, 172,667.75 and 36,254.23

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Solution

The fourth proportional to 115,117.45, 172,667.75 and 36,254.23 is: 54,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,117.45 : 172,667.75 = 36,254.23 : x
  2. Step 2: Convert to fraction form
    115,117.45/172,667.75 = 36,254.23/x
  3. Step 3: Cross multiply
    115,117.45x = 172,667.75 × 36,254.23
  4. Step 4: Simplify right side
    115,117.45x = 6,259,936,492.60
  5. Step 5: Solve for x
    x = 6,259,936,492.60/115,117.45
  6. Step 6: Final answer
    x = 54,378.69

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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.