Home / 148,120.64-204,401.40-84,478.94

Finding the Fourth Proportional to 148,120.64, 204,401.40 and 84,478.94

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Solution

The fourth proportional to 148,120.64, 204,401.40 and 84,478.94 is: 116,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,120.64 : 204,401.40 = 84,478.94 : x
  2. Step 2: Convert to fraction form
    148,120.64/204,401.40 = 84,478.94/x
  3. Step 3: Cross multiply
    148,120.64x = 204,401.40 × 84,478.94
  4. Step 4: Simplify right side
    148,120.64x = 17,267,613,606.52
  5. Step 5: Solve for x
    x = 17,267,613,606.52/148,120.64
  6. Step 6: Final answer
    x = 116,578.04

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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.