Home / 215,948.80-298,007.32-119,153.54

Finding the Fourth Proportional to 215,948.80, 298,007.32 and 119,153.54

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Solution

The fourth proportional to 215,948.80, 298,007.32 and 119,153.54 is: 164,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,948.80 : 298,007.32 = 119,153.54 : x
  2. Step 2: Convert to fraction form
    215,948.80/298,007.32 = 119,153.54/x
  3. Step 3: Cross multiply
    215,948.80x = 298,007.32 × 119,153.54
  4. Step 4: Simplify right side
    215,948.80x = 35,508,627,123.91
  5. Step 5: Solve for x
    x = 35,508,627,123.91/215,948.80
  6. Step 6: Final answer
    x = 164,430.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.