Home / 114,210.50-171,315.20-76,179.38

Finding the Fourth Proportional to 114,210.50, 171,315.20 and 76,179.38

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Solution

The fourth proportional to 114,210.50, 171,315.20 and 76,179.38 is: 114,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,210.50 : 171,315.20 = 76,179.38 : x
  2. Step 2: Convert to fraction form
    114,210.50/171,315.20 = 76,179.38/x
  3. Step 3: Cross multiply
    114,210.50x = 171,315.20 × 76,179.38
  4. Step 4: Simplify right side
    114,210.50x = 13,050,685,054.45
  5. Step 5: Solve for x
    x = 13,050,685,054.45/114,210.50
  6. Step 6: Final answer
    x = 114,268.70

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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.