Home / 251,871.32-347,574.44-137,146.77

Finding the Fourth Proportional to 251,871.32, 347,574.44 and 137,146.77

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Solution

The fourth proportional to 251,871.32, 347,574.44 and 137,146.77 is: 189,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,871.32 : 347,574.44 = 137,146.77 : x
  2. Step 2: Convert to fraction form
    251,871.32/347,574.44 = 137,146.77/x
  3. Step 3: Cross multiply
    251,871.32x = 347,574.44 × 137,146.77
  4. Step 4: Simplify right side
    251,871.32x = 47,668,712,123.43
  5. Step 5: Solve for x
    x = 47,668,712,123.43/251,871.32
  6. Step 6: Final answer
    x = 189,258.20

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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.