Home / 245,360.26-338,595.55-137,931.18

Finding the Fourth Proportional to 245,360.26, 338,595.55 and 137,931.18

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Solution

The fourth proportional to 245,360.26, 338,595.55 and 137,931.18 is: 190,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,360.26 : 338,595.55 = 137,931.18 : x
  2. Step 2: Convert to fraction form
    245,360.26/338,595.55 = 137,931.18/x
  3. Step 3: Cross multiply
    245,360.26x = 338,595.55 × 137,931.18
  4. Step 4: Simplify right side
    245,360.26x = 46,702,883,754.25
  5. Step 5: Solve for x
    x = 46,702,883,754.25/245,360.26
  6. Step 6: Final answer
    x = 190,344.12

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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.