Home / 215,654.64-297,604.59-125,064.32

Finding the Fourth Proportional to 215,654.64, 297,604.59 and 125,064.32

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Solution

The fourth proportional to 215,654.64, 297,604.59 and 125,064.32 is: 172,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,654.64 : 297,604.59 = 125,064.32 : x
  2. Step 2: Convert to fraction form
    215,654.64/297,604.59 = 125,064.32/x
  3. Step 3: Cross multiply
    215,654.64x = 297,604.59 × 125,064.32
  4. Step 4: Simplify right side
    215,654.64x = 37,219,715,677.23
  5. Step 5: Solve for x
    x = 37,219,715,677.23/215,654.64
  6. Step 6: Final answer
    x = 172,589.45

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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.