Home / 259,946.11-358,718.63-142,068.40

Finding the Fourth Proportional to 259,946.11, 358,718.63 and 142,068.40

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Solution

The fourth proportional to 259,946.11, 358,718.63 and 142,068.40 is: 196,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,946.11 : 358,718.63 = 142,068.40 : x
  2. Step 2: Convert to fraction form
    259,946.11/358,718.63 = 142,068.40/x
  3. Step 3: Cross multiply
    259,946.11x = 358,718.63 × 142,068.40
  4. Step 4: Simplify right side
    259,946.11x = 50,962,580,207.15
  5. Step 5: Solve for x
    x = 50,962,580,207.15/259,946.11
  6. Step 6: Final answer
    x = 196,050.56

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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.