Home / 215,576.34-297,498.45-123,710.60

Finding the Fourth Proportional to 215,576.34, 297,498.45 and 123,710.60

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Solution

The fourth proportional to 215,576.34, 297,498.45 and 123,710.60 is: 170,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,576.34 : 297,498.45 = 123,710.60 : x
  2. Step 2: Convert to fraction form
    215,576.34/297,498.45 = 123,710.60/x
  3. Step 3: Cross multiply
    215,576.34x = 297,498.45 × 123,710.60
  4. Step 4: Simplify right side
    215,576.34x = 36,803,710,261.08
  5. Step 5: Solve for x
    x = 36,803,710,261.08/215,576.34
  6. Step 6: Final answer
    x = 170,722.40

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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.