Home / 163,780.68-226,022.36-89,194.15

Finding the Fourth Proportional to 163,780.68, 226,022.36 and 89,194.15

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Solution

The fourth proportional to 163,780.68, 226,022.36 and 89,194.15 is: 123,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,780.68 : 226,022.36 = 89,194.15 : x
  2. Step 2: Convert to fraction form
    163,780.68/226,022.36 = 89,194.15/x
  3. Step 3: Cross multiply
    163,780.68x = 226,022.36 × 89,194.15
  4. Step 4: Simplify right side
    163,780.68x = 20,159,872,281.19
  5. Step 5: Solve for x
    x = 20,159,872,281.19/163,780.68
  6. Step 6: Final answer
    x = 123,090.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.