Home / 140,426.64-210,658.17-51,681.21

Finding the Fourth Proportional to 140,426.64, 210,658.17 and 51,681.21

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Solution

The fourth proportional to 140,426.64, 210,658.17 and 51,681.21 is: 77,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,426.64 : 210,658.17 = 51,681.21 : x
  2. Step 2: Convert to fraction form
    140,426.64/210,658.17 = 51,681.21/x
  3. Step 3: Cross multiply
    140,426.64x = 210,658.17 × 51,681.21
  4. Step 4: Simplify right side
    140,426.64x = 10,887,069,121.99
  5. Step 5: Solve for x
    x = 10,887,069,121.99/140,426.64
  6. Step 6: Final answer
    x = 77,528.52

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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.