Home / 156,923.90-235,385.85-104,162.30

Finding the Fourth Proportional to 156,923.90, 235,385.85 and 104,162.30

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Solution

The fourth proportional to 156,923.90, 235,385.85 and 104,162.30 is: 156,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.90 : 235,385.85 = 104,162.30 : x
  2. Step 2: Convert to fraction form
    156,923.90/235,385.85 = 104,162.30/x
  3. Step 3: Cross multiply
    156,923.90x = 235,385.85 × 104,162.30
  4. Step 4: Simplify right side
    156,923.90x = 24,518,331,523.46
  5. Step 5: Solve for x
    x = 24,518,331,523.46/156,923.90
  6. Step 6: Final answer
    x = 156,243.45

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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.