Home / 140,455.17-210,735.95-84,334.47

Finding the Fourth Proportional to 140,455.17, 210,735.95 and 84,334.47

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Solution

The fourth proportional to 140,455.17, 210,735.95 and 84,334.47 is: 126,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.17 : 210,735.95 = 84,334.47 : x
  2. Step 2: Convert to fraction form
    140,455.17/210,735.95 = 84,334.47/x
  3. Step 3: Cross multiply
    140,455.17x = 210,735.95 × 84,334.47
  4. Step 4: Simplify right side
    140,455.17x = 17,772,304,231.52
  5. Step 5: Solve for x
    x = 17,772,304,231.52/140,455.17
  6. Step 6: Final answer
    x = 126,533.64

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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.