Home / 240,140.16-331,396.92-139,538.16

Finding the Fourth Proportional to 240,140.16, 331,396.92 and 139,538.16

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Solution

The fourth proportional to 240,140.16, 331,396.92 and 139,538.16 is: 192,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,140.16 : 331,396.92 = 139,538.16 : x
  2. Step 2: Convert to fraction form
    240,140.16/331,396.92 = 139,538.16/x
  3. Step 3: Cross multiply
    240,140.16x = 331,396.92 × 139,538.16
  4. Step 4: Simplify right side
    240,140.16x = 46,242,516,446.47
  5. Step 5: Solve for x
    x = 46,242,516,446.47/240,140.16
  6. Step 6: Final answer
    x = 192,564.69

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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.