Home / 215,031.05-296,750.45-118,242.24

Finding the Fourth Proportional to 215,031.05, 296,750.45 and 118,242.24

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Solution

The fourth proportional to 215,031.05, 296,750.45 and 118,242.24 is: 163,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,031.05 : 296,750.45 = 118,242.24 : x
  2. Step 2: Convert to fraction form
    215,031.05/296,750.45 = 118,242.24/x
  3. Step 3: Cross multiply
    215,031.05x = 296,750.45 × 118,242.24
  4. Step 4: Simplify right side
    215,031.05x = 35,088,438,224.61
  5. Step 5: Solve for x
    x = 35,088,438,224.61/215,031.05
  6. Step 6: Final answer
    x = 163,178.48

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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.