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Finding the Fourth Proportional to 93,433.80, 140,150.70 and 91,246.80

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Solution

The fourth proportional to 93,433.80, 140,150.70 and 91,246.80 is: 136,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,433.80 : 140,150.70 = 91,246.80 : x
  2. Step 2: Convert to fraction form
    93,433.80/140,150.70 = 91,246.80/x
  3. Step 3: Cross multiply
    93,433.80x = 140,150.70 × 91,246.80
  4. Step 4: Simplify right side
    93,433.80x = 12,788,302,892.76
  5. Step 5: Solve for x
    x = 12,788,302,892.76/93,433.80
  6. Step 6: Final answer
    x = 136,870.20

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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.