Home / 215,539.50-297,432.74-118,724.38

Finding the Fourth Proportional to 215,539.50, 297,432.74 and 118,724.38

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Solution

The fourth proportional to 215,539.50, 297,432.74 and 118,724.38 is: 163,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,539.50 : 297,432.74 = 118,724.38 : x
  2. Step 2: Convert to fraction form
    215,539.50/297,432.74 = 118,724.38/x
  3. Step 3: Cross multiply
    215,539.50x = 297,432.74 × 118,724.38
  4. Step 4: Simplify right side
    215,539.50x = 35,312,517,648.20
  5. Step 5: Solve for x
    x = 35,312,517,648.20/215,539.50
  6. Step 6: Final answer
    x = 163,833.16

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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.