Home / 213,631.02-294,744.21-142,023.17

Finding the Fourth Proportional to 213,631.02, 294,744.21 and 142,023.17

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Solution

The fourth proportional to 213,631.02, 294,744.21 and 142,023.17 is: 195,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,631.02 : 294,744.21 = 142,023.17 : x
  2. Step 2: Convert to fraction form
    213,631.02/294,744.21 = 142,023.17/x
  3. Step 3: Cross multiply
    213,631.02x = 294,744.21 × 142,023.17
  4. Step 4: Simplify right side
    213,631.02x = 41,860,507,043.35
  5. Step 5: Solve for x
    x = 41,860,507,043.35/213,631.02
  6. Step 6: Final answer
    x = 195,947.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.