Home / 245,029.74-338,141.07-137,599.83

Finding the Fourth Proportional to 245,029.74, 338,141.07 and 137,599.83

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Solution

The fourth proportional to 245,029.74, 338,141.07 and 137,599.83 is: 189,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,029.74 : 338,141.07 = 137,599.83 : x
  2. Step 2: Convert to fraction form
    245,029.74/338,141.07 = 137,599.83/x
  3. Step 3: Cross multiply
    245,029.74x = 338,141.07 × 137,599.83
  4. Step 4: Simplify right side
    245,029.74x = 46,528,153,748.02
  5. Step 5: Solve for x
    x = 46,528,153,748.02/245,029.74
  6. Step 6: Final answer
    x = 189,887.78

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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.