Home / 142,854.99-214,280.30-34,785.37

Finding the Fourth Proportional to 142,854.99, 214,280.30 and 34,785.37

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Solution

The fourth proportional to 142,854.99, 214,280.30 and 34,785.37 is: 52,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,854.99 : 214,280.30 = 34,785.37 : x
  2. Step 2: Convert to fraction form
    142,854.99/214,280.30 = 34,785.37/x
  3. Step 3: Cross multiply
    142,854.99x = 214,280.30 × 34,785.37
  4. Step 4: Simplify right side
    142,854.99x = 7,453,819,070.47
  5. Step 5: Solve for x
    x = 7,453,819,070.47/142,854.99
  6. Step 6: Final answer
    x = 52,177.52

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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.