Home / 151,820.28-209,511.96-84,752.28

Finding the Fourth Proportional to 151,820.28, 209,511.96 and 84,752.28

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Solution

The fourth proportional to 151,820.28, 209,511.96 and 84,752.28 is: 116,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,820.28 : 209,511.96 = 84,752.28 : x
  2. Step 2: Convert to fraction form
    151,820.28/209,511.96 = 84,752.28/x
  3. Step 3: Cross multiply
    151,820.28x = 209,511.96 × 84,752.28
  4. Step 4: Simplify right side
    151,820.28x = 17,756,616,297.27
  5. Step 5: Solve for x
    x = 17,756,616,297.27/151,820.28
  6. Step 6: Final answer
    x = 116,958.13

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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.