Home / 222,437.13-306,963.23-126,941.77

Finding the Fourth Proportional to 222,437.13, 306,963.23 and 126,941.77

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Solution

The fourth proportional to 222,437.13, 306,963.23 and 126,941.77 is: 175,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,437.13 : 306,963.23 = 126,941.77 : x
  2. Step 2: Convert to fraction form
    222,437.13/306,963.23 = 126,941.77/x
  3. Step 3: Cross multiply
    222,437.13x = 306,963.23 × 126,941.77
  4. Step 4: Simplify right side
    222,437.13x = 38,966,455,741.12
  5. Step 5: Solve for x
    x = 38,966,455,741.12/222,437.13
  6. Step 6: Final answer
    x = 175,179.64

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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.