Home / 215,384.51-297,225.69-134,856.43

Finding the Fourth Proportional to 215,384.51, 297,225.69 and 134,856.43

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Solution

The fourth proportional to 215,384.51, 297,225.69 and 134,856.43 is: 186,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,384.51 : 297,225.69 = 134,856.43 : x
  2. Step 2: Convert to fraction form
    215,384.51/297,225.69 = 134,856.43/x
  3. Step 3: Cross multiply
    215,384.51x = 297,225.69 × 134,856.43
  4. Step 4: Simplify right side
    215,384.51x = 40,082,796,031.76
  5. Step 5: Solve for x
    x = 40,082,796,031.76/215,384.51
  6. Step 6: Final answer
    x = 186,098.79

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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.