Home / 155,678.70-233,518.20-43,359.15

Finding the Fourth Proportional to 155,678.70, 233,518.20 and 43,359.15

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Solution

The fourth proportional to 155,678.70, 233,518.20 and 43,359.15 is: 65,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,678.70 : 233,518.20 = 43,359.15 : x
  2. Step 2: Convert to fraction form
    155,678.70/233,518.20 = 43,359.15/x
  3. Step 3: Cross multiply
    155,678.70x = 233,518.20 × 43,359.15
  4. Step 4: Simplify right side
    155,678.70x = 10,125,150,661.53
  5. Step 5: Solve for x
    x = 10,125,150,661.53/155,678.70
  6. Step 6: Final answer
    x = 65,038.77

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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.