Home / 155,455.07-233,156.53-43,146.70

Finding the Fourth Proportional to 155,455.07, 233,156.53 and 43,146.70

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Solution

The fourth proportional to 155,455.07, 233,156.53 and 43,146.70 is: 64,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.07 : 233,156.53 = 43,146.70 : x
  2. Step 2: Convert to fraction form
    155,455.07/233,156.53 = 43,146.70/x
  3. Step 3: Cross multiply
    155,455.07x = 233,156.53 × 43,146.70
  4. Step 4: Simplify right side
    155,455.07x = 10,059,934,737.05
  5. Step 5: Solve for x
    x = 10,059,934,737.05/155,455.07
  6. Step 6: Final answer
    x = 64,712.81

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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.