Home / 109,937.91-151,718.04-64,615.25

Finding the Fourth Proportional to 109,937.91, 151,718.04 and 64,615.25

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Solution

The fourth proportional to 109,937.91, 151,718.04 and 64,615.25 is: 89,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,937.91 : 151,718.04 = 64,615.25 : x
  2. Step 2: Convert to fraction form
    109,937.91/151,718.04 = 64,615.25/x
  3. Step 3: Cross multiply
    109,937.91x = 151,718.04 × 64,615.25
  4. Step 4: Simplify right side
    109,937.91x = 9,803,298,325.52
  5. Step 5: Solve for x
    x = 9,803,298,325.52/109,937.91
  6. Step 6: Final answer
    x = 89,171.23

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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.