Home / 162,289.07-243,145.19-99,079.30

Finding the Fourth Proportional to 162,289.07, 243,145.19 and 99,079.30

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Solution

The fourth proportional to 162,289.07, 243,145.19 and 99,079.30 is: 148,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289.07 : 243,145.19 = 99,079.30 : x
  2. Step 2: Convert to fraction form
    162,289.07/243,145.19 = 99,079.30/x
  3. Step 3: Cross multiply
    162,289.07x = 243,145.19 × 99,079.30
  4. Step 4: Simplify right side
    162,289.07x = 24,090,655,775.20
  5. Step 5: Solve for x
    x = 24,090,655,775.20/162,289.07
  6. Step 6: Final answer
    x = 148,442.87

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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.