Home / 140,095.80-208,784.85-135,612.72

Finding the Fourth Proportional to 140,095.80, 208,784.85 and 135,612.72

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Solution

The fourth proportional to 140,095.80, 208,784.85 and 135,612.72 is: 202,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.80 : 208,784.85 = 135,612.72 : x
  2. Step 2: Convert to fraction form
    140,095.80/208,784.85 = 135,612.72/x
  3. Step 3: Cross multiply
    140,095.80x = 208,784.85 × 135,612.72
  4. Step 4: Simplify right side
    140,095.80x = 28,313,881,403.29
  5. Step 5: Solve for x
    x = 28,313,881,403.29/140,095.80
  6. Step 6: Final answer
    x = 202,103.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.