Home / 95,443.20-143,164.80-91,814.40

Finding the Fourth Proportional to 95,443.20, 143,164.80 and 91,814.40

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Solution

The fourth proportional to 95,443.20, 143,164.80 and 91,814.40 is: 137,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,443.20 : 143,164.80 = 91,814.40 : x
  2. Step 2: Convert to fraction form
    95,443.20/143,164.80 = 91,814.40/x
  3. Step 3: Cross multiply
    95,443.20x = 143,164.80 × 91,814.40
  4. Step 4: Simplify right side
    95,443.20x = 13,144,590,213.12
  5. Step 5: Solve for x
    x = 13,144,590,213.12/95,443.20
  6. Step 6: Final answer
    x = 137,721.60

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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.