Home / 134,793.18-201,790.40-99,889.50

Finding the Fourth Proportional to 134,793.18, 201,790.40 and 99,889.50

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Solution

The fourth proportional to 134,793.18, 201,790.40 and 99,889.50 is: 149,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,793.18 : 201,790.40 = 99,889.50 : x
  2. Step 2: Convert to fraction form
    134,793.18/201,790.40 = 99,889.50/x
  3. Step 3: Cross multiply
    134,793.18x = 201,790.40 × 99,889.50
  4. Step 4: Simplify right side
    134,793.18x = 20,156,742,160.80
  5. Step 5: Solve for x
    x = 20,156,742,160.80/134,793.18
  6. Step 6: Final answer
    x = 149,538.29

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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.