Home / 245,552.36-338,825.08-138,148.79

Finding the Fourth Proportional to 245,552.36, 338,825.08 and 138,148.79

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Solution

The fourth proportional to 245,552.36, 338,825.08 and 138,148.79 is: 190,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,552.36 : 338,825.08 = 138,148.79 : x
  2. Step 2: Convert to fraction form
    245,552.36/338,825.08 = 138,148.79/x
  3. Step 3: Cross multiply
    245,552.36x = 338,825.08 × 138,148.79
  4. Step 4: Simplify right side
    245,552.36x = 46,808,275,325.34
  5. Step 5: Solve for x
    x = 46,808,275,325.34/245,552.36
  6. Step 6: Final answer
    x = 190,624.41

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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.