Home / 109,475.22-164,113.98-39,338.13

Finding the Fourth Proportional to 109,475.22, 164,113.98 and 39,338.13

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Solution

The fourth proportional to 109,475.22, 164,113.98 and 39,338.13 is: 58,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,475.22 : 164,113.98 = 39,338.13 : x
  2. Step 2: Convert to fraction form
    109,475.22/164,113.98 = 39,338.13/x
  3. Step 3: Cross multiply
    109,475.22x = 164,113.98 × 39,338.13
  4. Step 4: Simplify right side
    109,475.22x = 6,455,937,080.06
  5. Step 5: Solve for x
    x = 6,455,937,080.06/109,475.22
  6. Step 6: Final answer
    x = 58,971.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.