Home / 149,505.92-223,947.84-70,683.20

Finding the Fourth Proportional to 149,505.92, 223,947.84 and 70,683.20

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Solution

The fourth proportional to 149,505.92, 223,947.84 and 70,683.20 is: 105,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,505.92 : 223,947.84 = 70,683.20 : x
  2. Step 2: Convert to fraction form
    149,505.92/223,947.84 = 70,683.20/x
  3. Step 3: Cross multiply
    149,505.92x = 223,947.84 × 70,683.20
  4. Step 4: Simplify right side
    149,505.92x = 15,829,349,964.29
  5. Step 5: Solve for x
    x = 15,829,349,964.29/149,505.92
  6. Step 6: Final answer
    x = 105,877.75

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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.