Home / 140,473.36-210,611.56-51,715.32

Finding the Fourth Proportional to 140,473.36, 210,611.56 and 51,715.32

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Solution

The fourth proportional to 140,473.36, 210,611.56 and 51,715.32 is: 77,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,473.36 : 210,611.56 = 51,715.32 : x
  2. Step 2: Convert to fraction form
    140,473.36/210,611.56 = 51,715.32/x
  3. Step 3: Cross multiply
    140,473.36x = 210,611.56 × 51,715.32
  4. Step 4: Simplify right side
    140,473.36x = 10,891,842,909.46
  5. Step 5: Solve for x
    x = 10,891,842,909.46/140,473.36
  6. Step 6: Final answer
    x = 77,536.72

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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.