Home / 251,647.18-347,280.15-136,932.82

Finding the Fourth Proportional to 251,647.18, 347,280.15 and 136,932.82

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Solution

The fourth proportional to 251,647.18, 347,280.15 and 136,932.82 is: 188,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,647.18 : 347,280.15 = 136,932.82 : x
  2. Step 2: Convert to fraction form
    251,647.18/347,280.15 = 136,932.82/x
  3. Step 3: Cross multiply
    251,647.18x = 347,280.15 × 136,932.82
  4. Step 4: Simplify right side
    251,647.18x = 47,554,050,269.52
  5. Step 5: Solve for x
    x = 47,554,050,269.52/251,647.18
  6. Step 6: Final answer
    x = 188,971.12

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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.