Home / 215,528.75-297,429.60-124,937.30

Finding the Fourth Proportional to 215,528.75, 297,429.60 and 124,937.30

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Solution

The fourth proportional to 215,528.75, 297,429.60 and 124,937.30 is: 172,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,528.75 : 297,429.60 = 124,937.30 : x
  2. Step 2: Convert to fraction form
    215,528.75/297,429.60 = 124,937.30/x
  3. Step 3: Cross multiply
    215,528.75x = 297,429.60 × 124,937.30
  4. Step 4: Simplify right side
    215,528.75x = 37,160,052,376.17
  5. Step 5: Solve for x
    x = 37,160,052,376.17/215,528.75
  6. Step 6: Final answer
    x = 172,413.44

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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.