Home / 165,145.40-247,718.10-46,817.77

Finding the Fourth Proportional to 165,145.40, 247,718.10 and 46,817.77

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Solution

The fourth proportional to 165,145.40, 247,718.10 and 46,817.77 is: 70,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,145.40 : 247,718.10 = 46,817.77 : x
  2. Step 2: Convert to fraction form
    165,145.40/247,718.10 = 46,817.77/x
  3. Step 3: Cross multiply
    165,145.40x = 247,718.10 × 46,817.77
  4. Step 4: Simplify right side
    165,145.40x = 11,597,609,030.64
  5. Step 5: Solve for x
    x = 11,597,609,030.64/165,145.40
  6. Step 6: Final answer
    x = 70,226.66

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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.