Home / 220,154.36-303,823.51-124,659

Finding the Fourth Proportional to 220,154.36, 303,823.51 and 124,659

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Solution

The fourth proportional to 220,154.36, 303,823.51 and 124,659 is: 172,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,154.36 : 303,823.51 = 124,659 : x
  2. Step 2: Convert to fraction form
    220,154.36/303,823.51 = 124,659/x
  3. Step 3: Cross multiply
    220,154.36x = 303,823.51 × 124,659
  4. Step 4: Simplify right side
    220,154.36x = 37,874,334,621.44
  5. Step 5: Solve for x
    x = 37,874,334,621.44/220,154.36
  6. Step 6: Final answer
    x = 172,035.36

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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.