Home / 76,165.93-105,110.08-42,174.35

Finding the Fourth Proportional to 76,165.93, 105,110.08 and 42,174.35

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Solution

The fourth proportional to 76,165.93, 105,110.08 and 42,174.35 is: 58,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.93 : 105,110.08 = 42,174.35 : x
  2. Step 2: Convert to fraction form
    76,165.93/105,110.08 = 42,174.35/x
  3. Step 3: Cross multiply
    76,165.93x = 105,110.08 × 42,174.35
  4. Step 4: Simplify right side
    76,165.93x = 4,432,949,105.77
  5. Step 5: Solve for x
    x = 4,432,949,105.77/76,165.93
  6. Step 6: Final answer
    x = 58,201.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.