Home / 216,721.08-298,954.72-126,066.84

Finding the Fourth Proportional to 216,721.08, 298,954.72 and 126,066.84

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Solution

The fourth proportional to 216,721.08, 298,954.72 and 126,066.84 is: 173,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,721.08 : 298,954.72 = 126,066.84 : x
  2. Step 2: Convert to fraction form
    216,721.08/298,954.72 = 126,066.84/x
  3. Step 3: Cross multiply
    216,721.08x = 298,954.72 × 126,066.84
  4. Step 4: Simplify right side
    216,721.08x = 37,688,276,853.48
  5. Step 5: Solve for x
    x = 37,688,276,853.48/216,721.08
  6. Step 6: Final answer
    x = 173,902.22

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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.