Home / 642,475.02-963,761.67-169,153.50

Finding the Fourth Proportional to 642,475.02, 963,761.67 and 169,153.50

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Solution

The fourth proportional to 642,475.02, 963,761.67 and 169,153.50 is: 253,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,475.02 : 963,761.67 = 169,153.50 : x
  2. Step 2: Convert to fraction form
    642,475.02/963,761.67 = 169,153.50/x
  3. Step 3: Cross multiply
    642,475.02x = 963,761.67 × 169,153.50
  4. Step 4: Simplify right side
    642,475.02x = 163,023,659,646.35
  5. Step 5: Solve for x
    x = 163,023,659,646.35/642,475.02
  6. Step 6: Final answer
    x = 253,743.19

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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.