Home / 79,875.15-110,178.84-51,185.16

Finding the Fourth Proportional to 79,875.15, 110,178.84 and 51,185.16

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Solution

The fourth proportional to 79,875.15, 110,178.84 and 51,185.16 is: 70,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,875.15 : 110,178.84 = 51,185.16 : x
  2. Step 2: Convert to fraction form
    79,875.15/110,178.84 = 51,185.16/x
  3. Step 3: Cross multiply
    79,875.15x = 110,178.84 × 51,185.16
  4. Step 4: Simplify right side
    79,875.15x = 5,639,521,554.01
  5. Step 5: Solve for x
    x = 5,639,521,554.01/79,875.15
  6. Step 6: Final answer
    x = 70,604.21

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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.