Home / 251,389.64-346,908.84-138,211.52

Finding the Fourth Proportional to 251,389.64, 346,908.84 and 138,211.52

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Solution

The fourth proportional to 251,389.64, 346,908.84 and 138,211.52 is: 190,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,389.64 : 346,908.84 = 138,211.52 : x
  2. Step 2: Convert to fraction form
    251,389.64/346,908.84 = 138,211.52/x
  3. Step 3: Cross multiply
    251,389.64x = 346,908.84 × 138,211.52
  4. Step 4: Simplify right side
    251,389.64x = 47,946,798,077.84
  5. Step 5: Solve for x
    x = 47,946,798,077.84/251,389.64
  6. Step 6: Final answer
    x = 190,727.02

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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.