Home / 109,376.08-150,928.20-61,637.92

Finding the Fourth Proportional to 109,376.08, 150,928.20 and 61,637.92

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Solution

The fourth proportional to 109,376.08, 150,928.20 and 61,637.92 is: 85,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376.08 : 150,928.20 = 61,637.92 : x
  2. Step 2: Convert to fraction form
    109,376.08/150,928.20 = 61,637.92/x
  3. Step 3: Cross multiply
    109,376.08x = 150,928.20 × 61,637.92
  4. Step 4: Simplify right side
    109,376.08x = 9,302,900,317.34
  5. Step 5: Solve for x
    x = 9,302,900,317.34/109,376.08
  6. Step 6: Final answer
    x = 85,054.25

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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.