Home / 149,535.47-206,350.74-84,995.73

Finding the Fourth Proportional to 149,535.47, 206,350.74 and 84,995.73

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Solution

The fourth proportional to 149,535.47, 206,350.74 and 84,995.73 is: 117,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,535.47 : 206,350.74 = 84,995.73 : x
  2. Step 2: Convert to fraction form
    149,535.47/206,350.74 = 84,995.73/x
  3. Step 3: Cross multiply
    149,535.47x = 206,350.74 × 84,995.73
  4. Step 4: Simplify right side
    149,535.47x = 17,538,931,782.34
  5. Step 5: Solve for x
    x = 17,538,931,782.34/149,535.47
  6. Step 6: Final answer
    x = 117,289.44

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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.