Home / 254,156.63-350,742.64-139,440.18

Finding the Fourth Proportional to 254,156.63, 350,742.64 and 139,440.18

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Solution

The fourth proportional to 254,156.63, 350,742.64 and 139,440.18 is: 192,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,156.63 : 350,742.64 = 139,440.18 : x
  2. Step 2: Convert to fraction form
    254,156.63/350,742.64 = 139,440.18/x
  3. Step 3: Cross multiply
    254,156.63x = 350,742.64 × 139,440.18
  4. Step 4: Simplify right side
    254,156.63x = 48,907,616,855.28
  5. Step 5: Solve for x
    x = 48,907,616,855.28/254,156.63
  6. Step 6: Final answer
    x = 192,431.01

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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.