Home / 155,813.69-233,535.96-71,502.78

Finding the Fourth Proportional to 155,813.69, 233,535.96 and 71,502.78

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Solution

The fourth proportional to 155,813.69, 233,535.96 and 71,502.78 is: 107,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,813.69 : 233,535.96 = 71,502.78 : x
  2. Step 2: Convert to fraction form
    155,813.69/233,535.96 = 71,502.78/x
  3. Step 3: Cross multiply
    155,813.69x = 233,535.96 × 71,502.78
  4. Step 4: Simplify right side
    155,813.69x = 16,698,470,369.97
  5. Step 5: Solve for x
    x = 16,698,470,369.97/155,813.69
  6. Step 6: Final answer
    x = 107,169.47

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1.5x scale

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.