Home / 93,549.67-139,811.81-68,302.35

Finding the Fourth Proportional to 93,549.67, 139,811.81 and 68,302.35

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Solution

The fourth proportional to 93,549.67, 139,811.81 and 68,302.35 is: 102,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,549.67 : 139,811.81 = 68,302.35 : x
  2. Step 2: Convert to fraction form
    93,549.67/139,811.81 = 68,302.35/x
  3. Step 3: Cross multiply
    93,549.67x = 139,811.81 × 68,302.35
  4. Step 4: Simplify right side
    93,549.67x = 9,549,474,839.24
  5. Step 5: Solve for x
    x = 9,549,474,839.24/93,549.67
  6. Step 6: Final answer
    x = 102,079.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.