Home / 109,191.09-150,683.64-61,444.48

Finding the Fourth Proportional to 109,191.09, 150,683.64 and 61,444.48

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Solution

The fourth proportional to 109,191.09, 150,683.64 and 61,444.48 is: 84,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,191.09 : 150,683.64 = 61,444.48 : x
  2. Step 2: Convert to fraction form
    109,191.09/150,683.64 = 61,444.48/x
  3. Step 3: Cross multiply
    109,191.09x = 150,683.64 × 61,444.48
  4. Step 4: Simplify right side
    109,191.09x = 9,258,677,597.08
  5. Step 5: Solve for x
    x = 9,258,677,597.08/109,191.09
  6. Step 6: Final answer
    x = 84,793.34

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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.