Home / 165,085.60-247,628.40-164,101.45

Finding the Fourth Proportional to 165,085.60, 247,628.40 and 164,101.45

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Solution

The fourth proportional to 165,085.60, 247,628.40 and 164,101.45 is: 246,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,085.60 : 247,628.40 = 164,101.45 : x
  2. Step 2: Convert to fraction form
    165,085.60/247,628.40 = 164,101.45/x
  3. Step 3: Cross multiply
    165,085.60x = 247,628.40 × 164,101.45
  4. Step 4: Simplify right side
    165,085.60x = 40,636,179,501.18
  5. Step 5: Solve for x
    x = 40,636,179,501.18/165,085.60
  6. Step 6: Final answer
    x = 246,152.18

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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.