Home / 245,255.13-338,421.71-141,907.08

Finding the Fourth Proportional to 245,255.13, 338,421.71 and 141,907.08

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Solution

The fourth proportional to 245,255.13, 338,421.71 and 141,907.08 is: 195,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,255.13 : 338,421.71 = 141,907.08 : x
  2. Step 2: Convert to fraction form
    245,255.13/338,421.71 = 141,907.08/x
  3. Step 3: Cross multiply
    245,255.13x = 338,421.71 × 141,907.08
  4. Step 4: Simplify right side
    245,255.13x = 48,024,436,674.71
  5. Step 5: Solve for x
    x = 48,024,436,674.71/245,255.13
  6. Step 6: Final answer
    x = 195,814.20

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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.