Home / 251,032.67-346,427.31-137,856.23

Finding the Fourth Proportional to 251,032.67, 346,427.31 and 137,856.23

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Solution

The fourth proportional to 251,032.67, 346,427.31 and 137,856.23 is: 190,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,032.67 : 346,427.31 = 137,856.23 : x
  2. Step 2: Convert to fraction form
    251,032.67/346,427.31 = 137,856.23/x
  3. Step 3: Cross multiply
    251,032.67x = 346,427.31 × 137,856.23
  4. Step 4: Simplify right side
    251,032.67x = 47,757,161,193.50
  5. Step 5: Solve for x
    x = 47,757,161,193.50/251,032.67
  6. Step 6: Final answer
    x = 190,242.82

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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.