Home / 164,909.58-247,344.21-70,177.83

Finding the Fourth Proportional to 164,909.58, 247,344.21 and 70,177.83

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Solution

The fourth proportional to 164,909.58, 247,344.21 and 70,177.83 is: 105,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,909.58 : 247,344.21 = 70,177.83 : x
  2. Step 2: Convert to fraction form
    164,909.58/247,344.21 = 70,177.83/x
  3. Step 3: Cross multiply
    164,909.58x = 247,344.21 × 70,177.83
  4. Step 4: Simplify right side
    164,909.58x = 17,358,079,920.86
  5. Step 5: Solve for x
    x = 17,358,079,920.86/164,909.58
  6. Step 6: Final answer
    x = 105,258.17

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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.