Home / 145,818.03-218,757.56-61,578.39

Finding the Fourth Proportional to 145,818.03, 218,757.56 and 61,578.39

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Solution

The fourth proportional to 145,818.03, 218,757.56 and 61,578.39 is: 92,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,818.03 : 218,757.56 = 61,578.39 : x
  2. Step 2: Convert to fraction form
    145,818.03/218,757.56 = 61,578.39/x
  3. Step 3: Cross multiply
    145,818.03x = 218,757.56 × 61,578.39
  4. Step 4: Simplify right side
    145,818.03x = 13,470,738,037.24
  5. Step 5: Solve for x
    x = 13,470,738,037.24/145,818.03
  6. Step 6: Final answer
    x = 92,380.47

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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.