Home / 142,263.39-213,395.10-42,493.68

Finding the Fourth Proportional to 142,263.39, 213,395.10 and 42,493.68

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Solution

The fourth proportional to 142,263.39, 213,395.10 and 42,493.68 is: 63,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,263.39 : 213,395.10 = 42,493.68 : x
  2. Step 2: Convert to fraction form
    142,263.39/213,395.10 = 42,493.68/x
  3. Step 3: Cross multiply
    142,263.39x = 213,395.10 × 42,493.68
  4. Step 4: Simplify right side
    142,263.39x = 9,067,943,092.97
  5. Step 5: Solve for x
    x = 9,067,943,092.97/142,263.39
  6. Step 6: Final answer
    x = 63,740.52

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1.5x scale

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.