Home / 219,688.50-329,518.83-70,036.18

Finding the Fourth Proportional to 219,688.50, 329,518.83 and 70,036.18

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Solution

The fourth proportional to 219,688.50, 329,518.83 and 70,036.18 is: 105,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,688.50 : 329,518.83 = 70,036.18 : x
  2. Step 2: Convert to fraction form
    219,688.50/329,518.83 = 70,036.18/x
  3. Step 3: Cross multiply
    219,688.50x = 329,518.83 × 70,036.18
  4. Step 4: Simplify right side
    219,688.50x = 23,078,239,530.11
  5. Step 5: Solve for x
    x = 23,078,239,530.11/219,688.50
  6. Step 6: Final answer
    x = 105,049.83

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1.5x scale

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.