Home / 642,167.06-963,174.04-168,889.32

Finding the Fourth Proportional to 642,167.06, 963,174.04 and 168,889.32

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Solution

The fourth proportional to 642,167.06, 963,174.04 and 168,889.32 is: 253,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,167.06 : 963,174.04 = 168,889.32 : x
  2. Step 2: Convert to fraction form
    642,167.06/963,174.04 = 168,889.32/x
  3. Step 3: Cross multiply
    642,167.06x = 963,174.04 × 168,889.32
  4. Step 4: Simplify right side
    642,167.06x = 162,669,808,235.03
  5. Step 5: Solve for x
    x = 162,669,808,235.03/642,167.06
  6. Step 6: Final answer
    x = 253,313.85

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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.