Home / 115,220.04-158,913.52-74,946.66

Finding the Fourth Proportional to 115,220.04, 158,913.52 and 74,946.66

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Solution

The fourth proportional to 115,220.04, 158,913.52 and 74,946.66 is: 103,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,220.04 : 158,913.52 = 74,946.66 : x
  2. Step 2: Convert to fraction form
    115,220.04/158,913.52 = 74,946.66/x
  3. Step 3: Cross multiply
    115,220.04x = 158,913.52 × 74,946.66
  4. Step 4: Simplify right side
    115,220.04x = 11,910,037,961.40
  5. Step 5: Solve for x
    x = 11,910,037,961.40/115,220.04
  6. Step 6: Final answer
    x = 103,367.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.