Home / 245,174.12-338,345.40-137,751.08

Finding the Fourth Proportional to 245,174.12, 338,345.40 and 137,751.08

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Solution

The fourth proportional to 245,174.12, 338,345.40 and 137,751.08 is: 190,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,174.12 : 338,345.40 = 137,751.08 : x
  2. Step 2: Convert to fraction form
    245,174.12/338,345.40 = 137,751.08/x
  3. Step 3: Cross multiply
    245,174.12x = 338,345.40 × 137,751.08
  4. Step 4: Simplify right side
    245,174.12x = 46,607,444,263.03
  5. Step 5: Solve for x
    x = 46,607,444,263.03/245,174.12
  6. Step 6: Final answer
    x = 190,099.36

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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.