Home / 215,766.88-297,787.44-130,870.24

Finding the Fourth Proportional to 215,766.88, 297,787.44 and 130,870.24

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Solution

The fourth proportional to 215,766.88, 297,787.44 and 130,870.24 is: 180,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,766.88 : 297,787.44 = 130,870.24 : x
  2. Step 2: Convert to fraction form
    215,766.88/297,787.44 = 130,870.24/x
  3. Step 3: Cross multiply
    215,766.88x = 297,787.44 × 130,870.24
  4. Step 4: Simplify right side
    215,766.88x = 38,971,513,741.79
  5. Step 5: Solve for x
    x = 38,971,513,741.79/215,766.88
  6. Step 6: Final answer
    x = 180,618.61

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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.