Home / 251,154.28-346,593-137,984.32

Finding the Fourth Proportional to 251,154.28, 346,593 and 137,984.32

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Solution

The fourth proportional to 251,154.28, 346,593 and 137,984.32 is: 190,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,154.28 : 346,593 = 137,984.32 : x
  2. Step 2: Convert to fraction form
    251,154.28/346,593 = 137,984.32/x
  3. Step 3: Cross multiply
    251,154.28x = 346,593 × 137,984.32
  4. Step 4: Simplify right side
    251,154.28x = 47,824,399,421.76
  5. Step 5: Solve for x
    x = 47,824,399,421.76/251,154.28
  6. Step 6: Final answer
    x = 190,418.41

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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.