Home / 251,888.42-347,610.58-137,170.46

Finding the Fourth Proportional to 251,888.42, 347,610.58 and 137,170.46

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Solution

The fourth proportional to 251,888.42, 347,610.58 and 137,170.46 is: 189,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,888.42 : 347,610.58 = 137,170.46 : x
  2. Step 2: Convert to fraction form
    251,888.42/347,610.58 = 137,170.46/x
  3. Step 3: Cross multiply
    251,888.42x = 347,610.58 × 137,170.46
  4. Step 4: Simplify right side
    251,888.42x = 47,681,903,159.47
  5. Step 5: Solve for x
    x = 47,681,903,159.47/251,888.42
  6. Step 6: Final answer
    x = 189,297.72

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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.