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Finding the Fourth Proportional to 93,368.80, 140,022.72 and 30,174.07

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Solution

The fourth proportional to 93,368.80, 140,022.72 and 30,174.07 is: 45,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,368.80 : 140,022.72 = 30,174.07 : x
  2. Step 2: Convert to fraction form
    93,368.80/140,022.72 = 30,174.07/x
  3. Step 3: Cross multiply
    93,368.80x = 140,022.72 × 30,174.07
  4. Step 4: Simplify right side
    93,368.80x = 4,225,055,354.87
  5. Step 5: Solve for x
    x = 4,225,055,354.87/93,368.80
  6. Step 6: Final answer
    x = 45,251.25

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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.