Home / 142,479.36-214,106.76-75,966.48

Finding the Fourth Proportional to 142,479.36, 214,106.76 and 75,966.48

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Solution

The fourth proportional to 142,479.36, 214,106.76 and 75,966.48 is: 114,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,479.36 : 214,106.76 = 75,966.48 : x
  2. Step 2: Convert to fraction form
    142,479.36/214,106.76 = 75,966.48/x
  3. Step 3: Cross multiply
    142,479.36x = 214,106.76 × 75,966.48
  4. Step 4: Simplify right side
    142,479.36x = 16,264,936,901.40
  5. Step 5: Solve for x
    x = 16,264,936,901.40/142,479.36
  6. Step 6: Final answer
    x = 114,156.44

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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.