Home / 140,007.40-210,011.10-133,883.80

Finding the Fourth Proportional to 140,007.40, 210,011.10 and 133,883.80

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Solution

The fourth proportional to 140,007.40, 210,011.10 and 133,883.80 is: 200,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.40 : 210,011.10 = 133,883.80 : x
  2. Step 2: Convert to fraction form
    140,007.40/210,011.10 = 133,883.80/x
  3. Step 3: Cross multiply
    140,007.40x = 210,011.10 × 133,883.80
  4. Step 4: Simplify right side
    140,007.40x = 28,117,084,110.18
  5. Step 5: Solve for x
    x = 28,117,084,110.18/140,007.40
  6. Step 6: Final answer
    x = 200,825.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.