Home / 109,901.25-151,693.65-64,593.81

Finding the Fourth Proportional to 109,901.25, 151,693.65 and 64,593.81

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Solution

The fourth proportional to 109,901.25, 151,693.65 and 64,593.81 is: 89,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,901.25 : 151,693.65 = 64,593.81 : x
  2. Step 2: Convert to fraction form
    109,901.25/151,693.65 = 64,593.81/x
  3. Step 3: Cross multiply
    109,901.25x = 151,693.65 × 64,593.81
  4. Step 4: Simplify right side
    109,901.25x = 9,798,470,806.31
  5. Step 5: Solve for x
    x = 9,798,470,806.31/109,901.25
  6. Step 6: Final answer
    x = 89,157.05

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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.