Home / 221,148.42-305,175.78-124,349.52

Finding the Fourth Proportional to 221,148.42, 305,175.78 and 124,349.52

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Solution

The fourth proportional to 221,148.42, 305,175.78 and 124,349.52 is: 171,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,148.42 : 305,175.78 = 124,349.52 : x
  2. Step 2: Convert to fraction form
    221,148.42/305,175.78 = 124,349.52/x
  3. Step 3: Cross multiply
    221,148.42x = 305,175.78 × 124,349.52
  4. Step 4: Simplify right side
    221,148.42x = 37,948,461,758.63
  5. Step 5: Solve for x
    x = 37,948,461,758.63/221,148.42
  6. Step 6: Final answer
    x = 171,597.25

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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.