Home / 119,071.22-164,320.40-65,361.23

Finding the Fourth Proportional to 119,071.22, 164,320.40 and 65,361.23

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Solution

The fourth proportional to 119,071.22, 164,320.40 and 65,361.23 is: 90,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,071.22 : 164,320.40 = 65,361.23 : x
  2. Step 2: Convert to fraction form
    119,071.22/164,320.40 = 65,361.23/x
  3. Step 3: Cross multiply
    119,071.22x = 164,320.40 × 65,361.23
  4. Step 4: Simplify right side
    119,071.22x = 10,740,184,032.30
  5. Step 5: Solve for x
    x = 10,740,184,032.30/119,071.22
  6. Step 6: Final answer
    x = 90,199.66

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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.