Home / 145,807.26-218,633.13-75,512.22

Finding the Fourth Proportional to 145,807.26, 218,633.13 and 75,512.22

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Solution

The fourth proportional to 145,807.26, 218,633.13 and 75,512.22 is: 113,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,807.26 : 218,633.13 = 75,512.22 : x
  2. Step 2: Convert to fraction form
    145,807.26/218,633.13 = 75,512.22/x
  3. Step 3: Cross multiply
    145,807.26x = 218,633.13 × 75,512.22
  4. Step 4: Simplify right side
    145,807.26x = 16,509,473,011.85
  5. Step 5: Solve for x
    x = 16,509,473,011.85/145,807.26
  6. Step 6: Final answer
    x = 113,228.06

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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.