Home / 93,299.08-139,975.88-30,117.72

Finding the Fourth Proportional to 93,299.08, 139,975.88 and 30,117.72

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Solution

The fourth proportional to 93,299.08, 139,975.88 and 30,117.72 is: 45,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,299.08 : 139,975.88 = 30,117.72 : x
  2. Step 2: Convert to fraction form
    93,299.08/139,975.88 = 30,117.72/x
  3. Step 3: Cross multiply
    93,299.08x = 139,975.88 × 30,117.72
  4. Step 4: Simplify right side
    93,299.08x = 4,215,754,360.59
  5. Step 5: Solve for x
    x = 4,215,754,360.59/93,299.08
  6. Step 6: Final answer
    x = 45,185.38

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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.