Home / 215,533.91-297,425.08-118,718.90

Finding the Fourth Proportional to 215,533.91, 297,425.08 and 118,718.90

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Solution

The fourth proportional to 215,533.91, 297,425.08 and 118,718.90 is: 163,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533.91 : 297,425.08 = 118,718.90 : x
  2. Step 2: Convert to fraction form
    215,533.91/297,425.08 = 118,718.90/x
  3. Step 3: Cross multiply
    215,533.91x = 297,425.08 × 118,718.90
  4. Step 4: Simplify right side
    215,533.91x = 35,309,978,106.63
  5. Step 5: Solve for x
    x = 35,309,978,106.63/215,533.91
  6. Step 6: Final answer
    x = 163,825.63

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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.