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Finding the Fourth Proportional to 93,813.92, 140,544.30 and 46,373.48

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Solution

The fourth proportional to 93,813.92, 140,544.30 and 46,373.48 is: 69,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,813.92 : 140,544.30 = 46,373.48 : x
  2. Step 2: Convert to fraction form
    93,813.92/140,544.30 = 46,373.48/x
  3. Step 3: Cross multiply
    93,813.92x = 140,544.30 × 46,373.48
  4. Step 4: Simplify right side
    93,813.92x = 6,517,528,285.16
  5. Step 5: Solve for x
    x = 6,517,528,285.16/93,813.92
  6. Step 6: Final answer
    x = 69,472.93

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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.