Home / 212,511.54-293,266.80-127,630.02

Finding the Fourth Proportional to 212,511.54, 293,266.80 and 127,630.02

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Solution

The fourth proportional to 212,511.54, 293,266.80 and 127,630.02 is: 176,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,511.54 : 293,266.80 = 127,630.02 : x
  2. Step 2: Convert to fraction form
    212,511.54/293,266.80 = 127,630.02/x
  3. Step 3: Cross multiply
    212,511.54x = 293,266.80 × 127,630.02
  4. Step 4: Simplify right side
    212,511.54x = 37,429,647,549.34
  5. Step 5: Solve for x
    x = 37,429,647,549.34/212,511.54
  6. Step 6: Final answer
    x = 176,129.95

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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.