Home / 220,029.69-303,630.47-135,130.35

Finding the Fourth Proportional to 220,029.69, 303,630.47 and 135,130.35

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Solution

The fourth proportional to 220,029.69, 303,630.47 and 135,130.35 is: 186,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,029.69 : 303,630.47 = 135,130.35 : x
  2. Step 2: Convert to fraction form
    220,029.69/303,630.47 = 135,130.35/x
  3. Step 3: Cross multiply
    220,029.69x = 303,630.47 × 135,130.35
  4. Step 4: Simplify right side
    220,029.69x = 41,029,693,158.20
  5. Step 5: Solve for x
    x = 41,029,693,158.20/220,029.69
  6. Step 6: Final answer
    x = 186,473.44

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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.