Home / 215,031.29-296,750.80-118,242.49

Finding the Fourth Proportional to 215,031.29, 296,750.80 and 118,242.49

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Solution

The fourth proportional to 215,031.29, 296,750.80 and 118,242.49 is: 163,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,031.29 : 296,750.80 = 118,242.49 : x
  2. Step 2: Convert to fraction form
    215,031.29/296,750.80 = 118,242.49/x
  3. Step 3: Cross multiply
    215,031.29x = 296,750.80 × 118,242.49
  4. Step 4: Simplify right side
    215,031.29x = 35,088,553,501.49
  5. Step 5: Solve for x
    x = 35,088,553,501.49/215,031.29
  6. Step 6: Final answer
    x = 163,178.83

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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.