Home / 106,065.51-159,098.21-31,186.28

Finding the Fourth Proportional to 106,065.51, 159,098.21 and 31,186.28

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Solution

The fourth proportional to 106,065.51, 159,098.21 and 31,186.28 is: 46,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,065.51 : 159,098.21 = 31,186.28 : x
  2. Step 2: Convert to fraction form
    106,065.51/159,098.21 = 31,186.28/x
  3. Step 3: Cross multiply
    106,065.51x = 159,098.21 × 31,186.28
  4. Step 4: Simplify right side
    106,065.51x = 4,961,680,373.14
  5. Step 5: Solve for x
    x = 4,961,680,373.14/106,065.51
  6. Step 6: Final answer
    x = 46,779.39

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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.