Home / 115,150.50-172,725.75-49,486.50

Finding the Fourth Proportional to 115,150.50, 172,725.75 and 49,486.50

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Solution

The fourth proportional to 115,150.50, 172,725.75 and 49,486.50 is: 74,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.50 : 172,725.75 = 49,486.50 : x
  2. Step 2: Convert to fraction form
    115,150.50/172,725.75 = 49,486.50/x
  3. Step 3: Cross multiply
    115,150.50x = 172,725.75 × 49,486.50
  4. Step 4: Simplify right side
    115,150.50x = 8,547,592,827.38
  5. Step 5: Solve for x
    x = 8,547,592,827.38/115,150.50
  6. Step 6: Final answer
    x = 74,229.75

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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.