Home / 109,677.71-151,365.46-66,647.27

Finding the Fourth Proportional to 109,677.71, 151,365.46 and 66,647.27

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Solution

The fourth proportional to 109,677.71, 151,365.46 and 66,647.27 is: 91,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,677.71 : 151,365.46 = 66,647.27 : x
  2. Step 2: Convert to fraction form
    109,677.71/151,365.46 = 66,647.27/x
  3. Step 3: Cross multiply
    109,677.71x = 151,365.46 × 66,647.27
  4. Step 4: Simplify right side
    109,677.71x = 10,088,094,681.29
  5. Step 5: Solve for x
    x = 10,088,094,681.29/109,677.71
  6. Step 6: Final answer
    x = 91,979.44

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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.