Home / 152,336.05-210,221.17-84,351.56

Finding the Fourth Proportional to 152,336.05, 210,221.17 and 84,351.56

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Solution

The fourth proportional to 152,336.05, 210,221.17 and 84,351.56 is: 116,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,336.05 : 210,221.17 = 84,351.56 : x
  2. Step 2: Convert to fraction form
    152,336.05/210,221.17 = 84,351.56/x
  3. Step 3: Cross multiply
    152,336.05x = 210,221.17 × 84,351.56
  4. Step 4: Simplify right side
    152,336.05x = 17,732,483,634.53
  5. Step 5: Solve for x
    x = 17,732,483,634.53/152,336.05
  6. Step 6: Final answer
    x = 116,403.72

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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.