Home / 142,623.60-213,969.15-46,560.31

Finding the Fourth Proportional to 142,623.60, 213,969.15 and 46,560.31

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Solution

The fourth proportional to 142,623.60, 213,969.15 and 46,560.31 is: 69,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,623.60 : 213,969.15 = 46,560.31 : x
  2. Step 2: Convert to fraction form
    142,623.60/213,969.15 = 46,560.31/x
  3. Step 3: Cross multiply
    142,623.60x = 213,969.15 × 46,560.31
  4. Step 4: Simplify right side
    142,623.60x = 9,962,468,884.59
  5. Step 5: Solve for x
    x = 9,962,468,884.59/142,623.60
  6. Step 6: Final answer
    x = 69,851.48

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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.