Home / 251,142.12-346,574.70-137,962.44

Finding the Fourth Proportional to 251,142.12, 346,574.70 and 137,962.44

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Solution

The fourth proportional to 251,142.12, 346,574.70 and 137,962.44 is: 190,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,142.12 : 346,574.70 = 137,962.44 : x
  2. Step 2: Convert to fraction form
    251,142.12/346,574.70 = 137,962.44/x
  3. Step 3: Cross multiply
    251,142.12x = 346,574.70 × 137,962.44
  4. Step 4: Simplify right side
    251,142.12x = 47,814,291,254.27
  5. Step 5: Solve for x
    x = 47,814,291,254.27/251,142.12
  6. Step 6: Final answer
    x = 190,387.38

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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.