Home / 216,276.66-298,295.90-130,145.84

Finding the Fourth Proportional to 216,276.66, 298,295.90 and 130,145.84

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Solution

The fourth proportional to 216,276.66, 298,295.90 and 130,145.84 is: 179,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,276.66 : 298,295.90 = 130,145.84 : x
  2. Step 2: Convert to fraction form
    216,276.66/298,295.90 = 130,145.84/x
  3. Step 3: Cross multiply
    216,276.66x = 298,295.90 × 130,145.84
  4. Step 4: Simplify right side
    216,276.66x = 38,821,970,474.06
  5. Step 5: Solve for x
    x = 38,821,970,474.06/216,276.66
  6. Step 6: Final answer
    x = 179,501.43

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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.