Home / 164,274.30-226,699.83-90,689.04

Finding the Fourth Proportional to 164,274.30, 226,699.83 and 90,689.04

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Solution

The fourth proportional to 164,274.30, 226,699.83 and 90,689.04 is: 125,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,274.30 : 226,699.83 = 90,689.04 : x
  2. Step 2: Convert to fraction form
    164,274.30/226,699.83 = 90,689.04/x
  3. Step 3: Cross multiply
    164,274.30x = 226,699.83 × 90,689.04
  4. Step 4: Simplify right side
    164,274.30x = 20,559,189,950.86
  5. Step 5: Solve for x
    x = 20,559,189,950.86/164,274.30
  6. Step 6: Final answer
    x = 125,151.59

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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.