Home / 115,010.94-172,506.50-70,020.65

Finding the Fourth Proportional to 115,010.94, 172,506.50 and 70,020.65

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Solution

The fourth proportional to 115,010.94, 172,506.50 and 70,020.65 is: 105,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,010.94 : 172,506.50 = 70,020.65 : x
  2. Step 2: Convert to fraction form
    115,010.94/172,506.50 = 70,020.65/x
  3. Step 3: Cross multiply
    115,010.94x = 172,506.50 × 70,020.65
  4. Step 4: Simplify right side
    115,010.94x = 12,079,017,218.64
  5. Step 5: Solve for x
    x = 12,079,017,218.64/115,010.94
  6. Step 6: Final answer
    x = 105,024.94

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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.