Home / 96,117.48-143,975.16-77,295.60

Finding the Fourth Proportional to 96,117.48, 143,975.16 and 77,295.60

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Solution

The fourth proportional to 96,117.48, 143,975.16 and 77,295.60 is: 115,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,117.48 : 143,975.16 = 77,295.60 : x
  2. Step 2: Convert to fraction form
    96,117.48/143,975.16 = 77,295.60/x
  3. Step 3: Cross multiply
    96,117.48x = 143,975.16 × 77,295.60
  4. Step 4: Simplify right side
    96,117.48x = 11,128,646,377.30
  5. Step 5: Solve for x
    x = 11,128,646,377.30/96,117.48
  6. Step 6: Final answer
    x = 115,781.71

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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.