Home / 215,200.80-297,000.72-124,555.32

Finding the Fourth Proportional to 215,200.80, 297,000.72 and 124,555.32

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Solution

The fourth proportional to 215,200.80, 297,000.72 and 124,555.32 is: 171,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,200.80 : 297,000.72 = 124,555.32 : x
  2. Step 2: Convert to fraction form
    215,200.80/297,000.72 = 124,555.32/x
  3. Step 3: Cross multiply
    215,200.80x = 297,000.72 × 124,555.32
  4. Step 4: Simplify right side
    215,200.80x = 36,993,019,719.83
  5. Step 5: Solve for x
    x = 36,993,019,719.83/215,200.80
  6. Step 6: Final answer
    x = 171,900.01

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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.