Home / 109,122.28-163,617.54-42,549.64

Finding the Fourth Proportional to 109,122.28, 163,617.54 and 42,549.64

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Solution

The fourth proportional to 109,122.28, 163,617.54 and 42,549.64 is: 63,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,122.28 : 163,617.54 = 42,549.64 : x
  2. Step 2: Convert to fraction form
    109,122.28/163,617.54 = 42,549.64/x
  3. Step 3: Cross multiply
    109,122.28x = 163,617.54 × 42,549.64
  4. Step 4: Simplify right side
    109,122.28x = 6,961,867,424.69
  5. Step 5: Solve for x
    x = 6,961,867,424.69/109,122.28
  6. Step 6: Final answer
    x = 63,798.77

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1.5x scale

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.