Home / 164,022.60-245,377.80-142,079.70

Finding the Fourth Proportional to 164,022.60, 245,377.80 and 142,079.70

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Solution

The fourth proportional to 164,022.60, 245,377.80 and 142,079.70 is: 212,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,022.60 : 245,377.80 = 142,079.70 : x
  2. Step 2: Convert to fraction form
    164,022.60/245,377.80 = 142,079.70/x
  3. Step 3: Cross multiply
    164,022.60x = 245,377.80 × 142,079.70
  4. Step 4: Simplify right side
    164,022.60x = 34,863,204,210.66
  5. Step 5: Solve for x
    x = 34,863,204,210.66/164,022.60
  6. Step 6: Final answer
    x = 212,551.22

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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.