Home / 152,906.10-211,007.73-84,920.47

Finding the Fourth Proportional to 152,906.10, 211,007.73 and 84,920.47

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Solution

The fourth proportional to 152,906.10, 211,007.73 and 84,920.47 is: 117,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,906.10 : 211,007.73 = 84,920.47 : x
  2. Step 2: Convert to fraction form
    152,906.10/211,007.73 = 84,920.47/x
  3. Step 3: Cross multiply
    152,906.10x = 211,007.73 × 84,920.47
  4. Step 4: Simplify right side
    152,906.10x = 17,918,875,396.17
  5. Step 5: Solve for x
    x = 17,918,875,396.17/152,906.10
  6. Step 6: Final answer
    x = 117,188.76

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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.