Home / 103,027.74-154,516.64-28,148.24

Finding the Fourth Proportional to 103,027.74, 154,516.64 and 28,148.24

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Solution

The fourth proportional to 103,027.74, 154,516.64 and 28,148.24 is: 42,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,027.74 : 154,516.64 = 28,148.24 : x
  2. Step 2: Convert to fraction form
    103,027.74/154,516.64 = 28,148.24/x
  3. Step 3: Cross multiply
    103,027.74x = 154,516.64 × 28,148.24
  4. Step 4: Simplify right side
    103,027.74x = 4,349,371,466.71
  5. Step 5: Solve for x
    x = 4,349,371,466.71/103,027.74
  6. Step 6: Final answer
    x = 42,215.54

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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.