Home / 215,749.60-297,772.50-135,246.16

Finding the Fourth Proportional to 215,749.60, 297,772.50 and 135,246.16

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Solution

The fourth proportional to 215,749.60, 297,772.50 and 135,246.16 is: 186,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,749.60 : 297,772.50 = 135,246.16 : x
  2. Step 2: Convert to fraction form
    215,749.60/297,772.50 = 135,246.16/x
  3. Step 3: Cross multiply
    215,749.60x = 297,772.50 × 135,246.16
  4. Step 4: Simplify right side
    215,749.60x = 40,272,587,178.60
  5. Step 5: Solve for x
    x = 40,272,587,178.60/215,749.60
  6. Step 6: Final answer
    x = 186,663.55

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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.