Home / 106,318.22-159,477.69-72,937.11

Finding the Fourth Proportional to 106,318.22, 159,477.69 and 72,937.11

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Solution

The fourth proportional to 106,318.22, 159,477.69 and 72,937.11 is: 109,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,318.22 : 159,477.69 = 72,937.11 : x
  2. Step 2: Convert to fraction form
    106,318.22/159,477.69 = 72,937.11/x
  3. Step 3: Cross multiply
    106,318.22x = 159,477.69 × 72,937.11
  4. Step 4: Simplify right side
    106,318.22x = 11,631,841,818.08
  5. Step 5: Solve for x
    x = 11,631,841,818.08/106,318.22
  6. Step 6: Final answer
    x = 109,405.91

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1.5x scale

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.