Home / 155,318.72-232,816.48-105,402.87

Finding the Fourth Proportional to 155,318.72, 232,816.48 and 105,402.87

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Solution

The fourth proportional to 155,318.72, 232,816.48 and 105,402.87 is: 157,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,318.72 : 232,816.48 = 105,402.87 : x
  2. Step 2: Convert to fraction form
    155,318.72/232,816.48 = 105,402.87/x
  3. Step 3: Cross multiply
    155,318.72x = 232,816.48 × 105,402.87
  4. Step 4: Simplify right side
    155,318.72x = 24,539,524,911.79
  5. Step 5: Solve for x
    x = 24,539,524,911.79/155,318.72
  6. Step 6: Final answer
    x = 157,994.64

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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.