Home / 559,919.52-839,871.99-139,199.04

Finding the Fourth Proportional to 559,919.52, 839,871.99 and 139,199.04

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Solution

The fourth proportional to 559,919.52, 839,871.99 and 139,199.04 is: 208,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,919.52 : 839,871.99 = 139,199.04 : x
  2. Step 2: Convert to fraction form
    559,919.52/839,871.99 = 139,199.04/x
  3. Step 3: Cross multiply
    559,919.52x = 839,871.99 × 139,199.04
  4. Step 4: Simplify right side
    559,919.52x = 116,909,374,730.89
  5. Step 5: Solve for x
    x = 116,909,374,730.89/559,919.52
  6. Step 6: Final answer
    x = 208,796.75

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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.