Home / 112,154.57-168,086.53-45,558.37

Finding the Fourth Proportional to 112,154.57, 168,086.53 and 45,558.37

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Solution

The fourth proportional to 112,154.57, 168,086.53 and 45,558.37 is: 68,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154.57 : 168,086.53 = 45,558.37 : x
  2. Step 2: Convert to fraction form
    112,154.57/168,086.53 = 45,558.37/x
  3. Step 3: Cross multiply
    112,154.57x = 168,086.53 × 45,558.37
  4. Step 4: Simplify right side
    112,154.57x = 7,657,748,592.81
  5. Step 5: Solve for x
    x = 7,657,748,592.81/112,154.57
  6. Step 6: Final answer
    x = 68,278.53

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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.