Home / 254,825.79-351,663.49-140,109.40

Finding the Fourth Proportional to 254,825.79, 351,663.49 and 140,109.40

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Solution

The fourth proportional to 254,825.79, 351,663.49 and 140,109.40 is: 193,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,825.79 : 351,663.49 = 140,109.40 : x
  2. Step 2: Convert to fraction form
    254,825.79/351,663.49 = 140,109.40/x
  3. Step 3: Cross multiply
    254,825.79x = 351,663.49 × 140,109.40
  4. Step 4: Simplify right side
    254,825.79x = 49,271,360,585.81
  5. Step 5: Solve for x
    x = 49,271,360,585.81/254,825.79
  6. Step 6: Final answer
    x = 193,353.12

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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.