Home / 145,479.06-218,217.78-37,408.26

Finding the Fourth Proportional to 145,479.06, 218,217.78 and 37,408.26

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Solution

The fourth proportional to 145,479.06, 218,217.78 and 37,408.26 is: 56,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,479.06 : 218,217.78 = 37,408.26 : x
  2. Step 2: Convert to fraction form
    145,479.06/218,217.78 = 37,408.26/x
  3. Step 3: Cross multiply
    145,479.06x = 218,217.78 × 37,408.26
  4. Step 4: Simplify right side
    145,479.06x = 8,163,147,450.86
  5. Step 5: Solve for x
    x = 8,163,147,450.86/145,479.06
  6. Step 6: Final answer
    x = 56,112.18

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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.