Home / 152,519.36-210,478.20-84,537.78

Finding the Fourth Proportional to 152,519.36, 210,478.20 and 84,537.78

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Solution

The fourth proportional to 152,519.36, 210,478.20 and 84,537.78 is: 116,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,519.36 : 210,478.20 = 84,537.78 : x
  2. Step 2: Convert to fraction form
    152,519.36/210,478.20 = 84,537.78/x
  3. Step 3: Cross multiply
    152,519.36x = 210,478.20 × 84,537.78
  4. Step 4: Simplify right side
    152,519.36x = 17,793,358,660.09
  5. Step 5: Solve for x
    x = 17,793,358,660.09/152,519.36
  6. Step 6: Final answer
    x = 116,662.96

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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.