Home / 93,783.89-140,690.45-31,439.81

Finding the Fourth Proportional to 93,783.89, 140,690.45 and 31,439.81

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Solution

The fourth proportional to 93,783.89, 140,690.45 and 31,439.81 is: 47,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,783.89 : 140,690.45 = 31,439.81 : x
  2. Step 2: Convert to fraction form
    93,783.89/140,690.45 = 31,439.81/x
  3. Step 3: Cross multiply
    93,783.89x = 140,690.45 × 31,439.81
  4. Step 4: Simplify right side
    93,783.89x = 4,423,281,447.14
  5. Step 5: Solve for x
    x = 4,423,281,447.14/93,783.89
  6. Step 6: Final answer
    x = 47,164.62

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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.