Home / 165,095.40-247,643.10-40,436.40

Finding the Fourth Proportional to 165,095.40, 247,643.10 and 40,436.40

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Solution

The fourth proportional to 165,095.40, 247,643.10 and 40,436.40 is: 60,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,095.40 : 247,643.10 = 40,436.40 : x
  2. Step 2: Convert to fraction form
    165,095.40/247,643.10 = 40,436.40/x
  3. Step 3: Cross multiply
    165,095.40x = 247,643.10 × 40,436.40
  4. Step 4: Simplify right side
    165,095.40x = 10,013,795,448.84
  5. Step 5: Solve for x
    x = 10,013,795,448.84/165,095.40
  6. Step 6: Final answer
    x = 60,654.60

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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.