Home / 642,462.98-963,743.67-169,141.50

Finding the Fourth Proportional to 642,462.98, 963,743.67 and 169,141.50

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Solution

The fourth proportional to 642,462.98, 963,743.67 and 169,141.50 is: 253,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,462.98 : 963,743.67 = 169,141.50 : x
  2. Step 2: Convert to fraction form
    642,462.98/963,743.67 = 169,141.50/x
  3. Step 3: Cross multiply
    642,462.98x = 963,743.67 × 169,141.50
  4. Step 4: Simplify right side
    642,462.98x = 163,009,049,959.31
  5. Step 5: Solve for x
    x = 163,009,049,959.31/642,462.98
  6. Step 6: Final answer
    x = 253,725.20

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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.