Home / 149,862.71-223,700.79-130,945.49

Finding the Fourth Proportional to 149,862.71, 223,700.79 and 130,945.49

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Solution

The fourth proportional to 149,862.71, 223,700.79 and 130,945.49 is: 195,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,862.71 : 223,700.79 = 130,945.49 : x
  2. Step 2: Convert to fraction form
    149,862.71/223,700.79 = 130,945.49/x
  3. Step 3: Cross multiply
    149,862.71x = 223,700.79 × 130,945.49
  4. Step 4: Simplify right side
    149,862.71x = 29,292,608,905.21
  5. Step 5: Solve for x
    x = 29,292,608,905.21/149,862.71
  6. Step 6: Final answer
    x = 195,462.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.