Home / 103,254.83-154,928.70-55,814.38

Finding the Fourth Proportional to 103,254.83, 154,928.70 and 55,814.38

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Solution

The fourth proportional to 103,254.83, 154,928.70 and 55,814.38 is: 83,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,254.83 : 154,928.70 = 55,814.38 : x
  2. Step 2: Convert to fraction form
    103,254.83/154,928.70 = 55,814.38/x
  3. Step 3: Cross multiply
    103,254.83x = 154,928.70 × 55,814.38
  4. Step 4: Simplify right side
    103,254.83x = 8,647,248,947.38
  5. Step 5: Solve for x
    x = 8,647,248,947.38/103,254.83
  6. Step 6: Final answer
    x = 83,746.68

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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.