Home / 142,455.30-213,604.02-58,274.52

Finding the Fourth Proportional to 142,455.30, 213,604.02 and 58,274.52

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Solution

The fourth proportional to 142,455.30, 213,604.02 and 58,274.52 is: 87,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,455.30 : 213,604.02 = 58,274.52 : x
  2. Step 2: Convert to fraction form
    142,455.30/213,604.02 = 58,274.52/x
  3. Step 3: Cross multiply
    142,455.30x = 213,604.02 × 58,274.52
  4. Step 4: Simplify right side
    142,455.30x = 12,447,671,735.57
  5. Step 5: Solve for x
    x = 12,447,671,735.57/142,455.30
  6. Step 6: Final answer
    x = 87,379.49

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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.