Home / 180,217.00-248,678.30-99,639.72

Finding the Fourth Proportional to 180,217.00, 248,678.30 and 99,639.72

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Solution

The fourth proportional to 180,217.00, 248,678.30 and 99,639.72 is: 137,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,217.00 : 248,678.30 = 99,639.72 : x
  2. Step 2: Convert to fraction form
    180,217.00/248,678.30 = 99,639.72/x
  3. Step 3: Cross multiply
    180,217.00x = 248,678.30 × 99,639.72
  4. Step 4: Simplify right side
    180,217.00x = 24,778,236,431.18
  5. Step 5: Solve for x
    x = 24,778,236,431.18/180,217.00
  6. Step 6: Final answer
    x = 137,491.11

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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.