Home / 220,661.92-304,575.96-130,070.44

Finding the Fourth Proportional to 220,661.92, 304,575.96 and 130,070.44

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Solution

The fourth proportional to 220,661.92, 304,575.96 and 130,070.44 is: 179,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,661.92 : 304,575.96 = 130,070.44 : x
  2. Step 2: Convert to fraction form
    220,661.92/304,575.96 = 130,070.44/x
  3. Step 3: Cross multiply
    220,661.92x = 304,575.96 × 130,070.44
  4. Step 4: Simplify right side
    220,661.92x = 39,616,329,130.62
  5. Step 5: Solve for x
    x = 39,616,329,130.62/220,661.92
  6. Step 6: Final answer
    x = 179,534.05

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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.