Home / 164,077.80-226,445.63-103,645.53

Finding the Fourth Proportional to 164,077.80, 226,445.63 and 103,645.53

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Solution

The fourth proportional to 164,077.80, 226,445.63 and 103,645.53 is: 143,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,077.80 : 226,445.63 = 103,645.53 : x
  2. Step 2: Convert to fraction form
    164,077.80/226,445.63 = 103,645.53/x
  3. Step 3: Cross multiply
    164,077.80x = 226,445.63 × 103,645.53
  4. Step 4: Simplify right side
    164,077.80x = 23,470,076,819.31
  5. Step 5: Solve for x
    x = 23,470,076,819.31/164,077.80
  6. Step 6: Final answer
    x = 143,042.37

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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.