Home / 164,780.39-247,241.84-70,031.36

Finding the Fourth Proportional to 164,780.39, 247,241.84 and 70,031.36

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Solution

The fourth proportional to 164,780.39, 247,241.84 and 70,031.36 is: 105,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,780.39 : 247,241.84 = 70,031.36 : x
  2. Step 2: Convert to fraction form
    164,780.39/247,241.84 = 70,031.36/x
  3. Step 3: Cross multiply
    164,780.39x = 247,241.84 × 70,031.36
  4. Step 4: Simplify right side
    164,780.39x = 17,314,680,717.74
  5. Step 5: Solve for x
    x = 17,314,680,717.74/164,780.39
  6. Step 6: Final answer
    x = 105,077.32

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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.