Home / 251,106.17-346,529.05-136,385.91

Finding the Fourth Proportional to 251,106.17, 346,529.05 and 136,385.91

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Solution

The fourth proportional to 251,106.17, 346,529.05 and 136,385.91 is: 188,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,106.17 : 346,529.05 = 136,385.91 : x
  2. Step 2: Convert to fraction form
    251,106.17/346,529.05 = 136,385.91/x
  3. Step 3: Cross multiply
    251,106.17x = 346,529.05 × 136,385.91
  4. Step 4: Simplify right side
    251,106.17x = 47,261,679,484.72
  5. Step 5: Solve for x
    x = 47,261,679,484.72/251,106.17
  6. Step 6: Final answer
    x = 188,213.94

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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.