Home / 559,970.22-839,958.68-139,246.10

Finding the Fourth Proportional to 559,970.22, 839,958.68 and 139,246.10

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Solution

The fourth proportional to 559,970.22, 839,958.68 and 139,246.10 is: 208,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,970.22 : 839,958.68 = 139,246.10 : x
  2. Step 2: Convert to fraction form
    559,970.22/839,958.68 = 139,246.10/x
  3. Step 3: Cross multiply
    559,970.22x = 839,958.68 × 139,246.10
  4. Step 4: Simplify right side
    559,970.22x = 116,960,969,649.32
  5. Step 5: Solve for x
    x = 116,960,969,649.32/559,970.22
  6. Step 6: Final answer
    x = 208,869.98

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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.