Home / 104,928.61-157,445.84-51,618.35

Finding the Fourth Proportional to 104,928.61, 157,445.84 and 51,618.35

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Solution

The fourth proportional to 104,928.61, 157,445.84 and 51,618.35 is: 77,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.61 : 157,445.84 = 51,618.35 : x
  2. Step 2: Convert to fraction form
    104,928.61/157,445.84 = 51,618.35/x
  3. Step 3: Cross multiply
    104,928.61x = 157,445.84 × 51,618.35
  4. Step 4: Simplify right side
    104,928.61x = 8,127,094,475.16
  5. Step 5: Solve for x
    x = 8,127,094,475.16/104,928.61
  6. Step 6: Final answer
    x = 77,453.56

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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.