Home / 93,140.15-139,631.86-40,510

Finding the Fourth Proportional to 93,140.15, 139,631.86 and 40,510

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Solution

The fourth proportional to 93,140.15, 139,631.86 and 40,510 is: 60,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.15 : 139,631.86 = 40,510 : x
  2. Step 2: Convert to fraction form
    93,140.15/139,631.86 = 40,510/x
  3. Step 3: Cross multiply
    93,140.15x = 139,631.86 × 40,510
  4. Step 4: Simplify right side
    93,140.15x = 5,656,486,648.60
  5. Step 5: Solve for x
    x = 5,656,486,648.60/93,140.15
  6. Step 6: Final answer
    x = 60,730.92

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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.