Home / 93,180.08-139,771.32-40,587.64

Finding the Fourth Proportional to 93,180.08, 139,771.32 and 40,587.64

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Solution

The fourth proportional to 93,180.08, 139,771.32 and 40,587.64 is: 60,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,180.08 : 139,771.32 = 40,587.64 : x
  2. Step 2: Convert to fraction form
    93,180.08/139,771.32 = 40,587.64/x
  3. Step 3: Cross multiply
    93,180.08x = 139,771.32 × 40,587.64
  4. Step 4: Simplify right side
    93,180.08x = 5,672,988,018.48
  5. Step 5: Solve for x
    x = 5,672,988,018.48/93,180.08
  6. Step 6: Final answer
    x = 60,881.98

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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.