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Finding the Fourth Proportional to 93,688.68, 140,497.71 and 30,492.24

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Solution

The fourth proportional to 93,688.68, 140,497.71 and 30,492.24 is: 45,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,688.68 : 140,497.71 = 30,492.24 : x
  2. Step 2: Convert to fraction form
    93,688.68/140,497.71 = 30,492.24/x
  3. Step 3: Cross multiply
    93,688.68x = 140,497.71 × 30,492.24
  4. Step 4: Simplify right side
    93,688.68x = 4,284,089,892.77
  5. Step 5: Solve for x
    x = 4,284,089,892.77/93,688.68
  6. Step 6: Final answer
    x = 45,726.87

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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.