Home / 559,975.48-839,966.56-139,251.36

Finding the Fourth Proportional to 559,975.48, 839,966.56 and 139,251.36

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Solution

The fourth proportional to 559,975.48, 839,966.56 and 139,251.36 is: 208,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,975.48 : 839,966.56 = 139,251.36 : x
  2. Step 2: Convert to fraction form
    559,975.48/839,966.56 = 139,251.36/x
  3. Step 3: Cross multiply
    559,975.48x = 839,966.56 × 139,251.36
  4. Step 4: Simplify right side
    559,975.48x = 116,966,485,834.52
  5. Step 5: Solve for x
    x = 116,966,485,834.52/559,975.48
  6. Step 6: Final answer
    x = 208,877.87

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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.