Home / 251,345.22-346,864.85-147,960.76

Finding the Fourth Proportional to 251,345.22, 346,864.85 and 147,960.76

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Solution

The fourth proportional to 251,345.22, 346,864.85 and 147,960.76 is: 204,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,345.22 : 346,864.85 = 147,960.76 : x
  2. Step 2: Convert to fraction form
    251,345.22/346,864.85 = 147,960.76/x
  3. Step 3: Cross multiply
    251,345.22x = 346,864.85 × 147,960.76
  4. Step 4: Simplify right side
    251,345.22x = 51,322,386,823.29
  5. Step 5: Solve for x
    x = 51,322,386,823.29/251,345.22
  6. Step 6: Final answer
    x = 204,190.82

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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.