Home / 253,678.07-350,056.46-140,498.39

Finding the Fourth Proportional to 253,678.07, 350,056.46 and 140,498.39

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Solution

The fourth proportional to 253,678.07, 350,056.46 and 140,498.39 is: 193,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,678.07 : 350,056.46 = 140,498.39 : x
  2. Step 2: Convert to fraction form
    253,678.07/350,056.46 = 140,498.39/x
  3. Step 3: Cross multiply
    253,678.07x = 350,056.46 × 140,498.39
  4. Step 4: Simplify right side
    253,678.07x = 49,182,367,640.06
  5. Step 5: Solve for x
    x = 49,182,367,640.06/253,678.07
  6. Step 6: Final answer
    x = 193,877.10

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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.