Home / 215,359.59-297,199.05-118,574.70

Finding the Fourth Proportional to 215,359.59, 297,199.05 and 118,574.70

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Solution

The fourth proportional to 215,359.59, 297,199.05 and 118,574.70 is: 163,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,359.59 : 297,199.05 = 118,574.70 : x
  2. Step 2: Convert to fraction form
    215,359.59/297,199.05 = 118,574.70/x
  3. Step 3: Cross multiply
    215,359.59x = 297,199.05 × 118,574.70
  4. Step 4: Simplify right side
    215,359.59x = 35,240,288,194.04
  5. Step 5: Solve for x
    x = 35,240,288,194.04/215,359.59
  6. Step 6: Final answer
    x = 163,634.64

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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.