Home / 162,253.19-243,378.84-66,190.07

Finding the Fourth Proportional to 162,253.19, 243,378.84 and 66,190.07

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Solution

The fourth proportional to 162,253.19, 243,378.84 and 66,190.07 is: 99,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,253.19 : 243,378.84 = 66,190.07 : x
  2. Step 2: Convert to fraction form
    162,253.19/243,378.84 = 66,190.07/x
  3. Step 3: Cross multiply
    162,253.19x = 243,378.84 × 66,190.07
  4. Step 4: Simplify right side
    162,253.19x = 16,109,261,239.22
  5. Step 5: Solve for x
    x = 16,109,261,239.22/162,253.19
  6. Step 6: Final answer
    x = 99,284.72

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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.