Home / 254,525.13-351,247.56-139,806.45

Finding the Fourth Proportional to 254,525.13, 351,247.56 and 139,806.45

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Solution

The fourth proportional to 254,525.13, 351,247.56 and 139,806.45 is: 192,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,525.13 : 351,247.56 = 139,806.45 : x
  2. Step 2: Convert to fraction form
    254,525.13/351,247.56 = 139,806.45/x
  3. Step 3: Cross multiply
    254,525.13x = 351,247.56 × 139,806.45
  4. Step 4: Simplify right side
    254,525.13x = 49,106,674,434.76
  5. Step 5: Solve for x
    x = 49,106,674,434.76/254,525.13
  6. Step 6: Final answer
    x = 192,934.48

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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.