Home / 141,378.40-211,994.70-52,586.20

Finding the Fourth Proportional to 141,378.40, 211,994.70 and 52,586.20

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Solution

The fourth proportional to 141,378.40, 211,994.70 and 52,586.20 is: 78,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378.40 : 211,994.70 = 52,586.20 : x
  2. Step 2: Convert to fraction form
    141,378.40/211,994.70 = 52,586.20/x
  3. Step 3: Cross multiply
    141,378.40x = 211,994.70 × 52,586.20
  4. Step 4: Simplify right side
    141,378.40x = 11,147,995,693.14
  5. Step 5: Solve for x
    x = 11,147,995,693.14/141,378.40
  6. Step 6: Final answer
    x = 78,852.18

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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.