Home / 216,389.18-298,612.68-131,533.58

Finding the Fourth Proportional to 216,389.18, 298,612.68 and 131,533.58

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Solution

The fourth proportional to 216,389.18, 298,612.68 and 131,533.58 is: 181,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,389.18 : 298,612.68 = 131,533.58 : x
  2. Step 2: Convert to fraction form
    216,389.18/298,612.68 = 131,533.58/x
  3. Step 3: Cross multiply
    216,389.18x = 298,612.68 × 131,533.58
  4. Step 4: Simplify right side
    216,389.18x = 39,277,593,340.73
  5. Step 5: Solve for x
    x = 39,277,593,340.73/216,389.18
  6. Step 6: Final answer
    x = 181,513.67

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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.