Home / 251,288.02-346,777.65-138,110.74

Finding the Fourth Proportional to 251,288.02, 346,777.65 and 138,110.74

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Solution

The fourth proportional to 251,288.02, 346,777.65 and 138,110.74 is: 190,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,288.02 : 346,777.65 = 138,110.74 : x
  2. Step 2: Convert to fraction form
    251,288.02/346,777.65 = 138,110.74/x
  3. Step 3: Cross multiply
    251,288.02x = 346,777.65 × 138,110.74
  4. Step 4: Simplify right side
    251,288.02x = 47,893,717,856.96
  5. Step 5: Solve for x
    x = 47,893,717,856.96/251,288.02
  6. Step 6: Final answer
    x = 190,592.92

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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.