Home / 164,290.40-226,720.48-88,838.72

Finding the Fourth Proportional to 164,290.40, 226,720.48 and 88,838.72

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Solution

The fourth proportional to 164,290.40, 226,720.48 and 88,838.72 is: 122,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,290.40 : 226,720.48 = 88,838.72 : x
  2. Step 2: Convert to fraction form
    164,290.40/226,720.48 = 88,838.72/x
  3. Step 3: Cross multiply
    164,290.40x = 226,720.48 × 88,838.72
  4. Step 4: Simplify right side
    164,290.40x = 20,141,557,240.99
  5. Step 5: Solve for x
    x = 20,141,557,240.99/164,290.40
  6. Step 6: Final answer
    x = 122,597.29

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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.