Home / 251,077.02-346,486.28-137,899.77

Finding the Fourth Proportional to 251,077.02, 346,486.28 and 137,899.77

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Solution

The fourth proportional to 251,077.02, 346,486.28 and 137,899.77 is: 190,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,077.02 : 346,486.28 = 137,899.77 : x
  2. Step 2: Convert to fraction form
    251,077.02/346,486.28 = 137,899.77/x
  3. Step 3: Cross multiply
    251,077.02x = 346,486.28 × 137,899.77
  4. Step 4: Simplify right side
    251,077.02x = 47,780,377,630.66
  5. Step 5: Solve for x
    x = 47,780,377,630.66/251,077.02
  6. Step 6: Final answer
    x = 190,301.68

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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.