Home / 251,155.28-346,594.38-137,985.32

Finding the Fourth Proportional to 251,155.28, 346,594.38 and 137,985.32

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Solution

The fourth proportional to 251,155.28, 346,594.38 and 137,985.32 is: 190,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,155.28 : 346,594.38 = 137,985.32 : x
  2. Step 2: Convert to fraction form
    251,155.28/346,594.38 = 137,985.32/x
  3. Step 3: Cross multiply
    251,155.28x = 346,594.38 × 137,985.32
  4. Step 4: Simplify right side
    251,155.28x = 47,824,936,434.50
  5. Step 5: Solve for x
    x = 47,824,936,434.50/251,155.28
  6. Step 6: Final answer
    x = 190,419.79

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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.