Home / 215,767.01-297,787.61-130,870.37

Finding the Fourth Proportional to 215,767.01, 297,787.61 and 130,870.37

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Solution

The fourth proportional to 215,767.01, 297,787.61 and 130,870.37 is: 180,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,767.01 : 297,787.61 = 130,870.37 : x
  2. Step 2: Convert to fraction form
    215,767.01/297,787.61 = 130,870.37/x
  3. Step 3: Cross multiply
    215,767.01x = 297,787.61 × 130,870.37
  4. Step 4: Simplify right side
    215,767.01x = 38,971,574,702.12
  5. Step 5: Solve for x
    x = 38,971,574,702.12/215,767.01
  6. Step 6: Final answer
    x = 180,618.78

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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.