Home / 142,828.07-214,198.95-42,961.74

Finding the Fourth Proportional to 142,828.07, 214,198.95 and 42,961.74

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Solution

The fourth proportional to 142,828.07, 214,198.95 and 42,961.74 is: 64,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,828.07 : 214,198.95 = 42,961.74 : x
  2. Step 2: Convert to fraction form
    142,828.07/214,198.95 = 42,961.74/x
  3. Step 3: Cross multiply
    142,828.07x = 214,198.95 × 42,961.74
  4. Step 4: Simplify right side
    142,828.07x = 9,202,359,598.17
  5. Step 5: Solve for x
    x = 9,202,359,598.17/142,828.07
  6. Step 6: Final answer
    x = 64,429.63

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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.