Home / 93,128.70-139,642.02-36,911.87

Finding the Fourth Proportional to 93,128.70, 139,642.02 and 36,911.87

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Solution

The fourth proportional to 93,128.70, 139,642.02 and 36,911.87 is: 55,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,128.70 : 139,642.02 = 36,911.87 : x
  2. Step 2: Convert to fraction form
    93,128.70/139,642.02 = 36,911.87/x
  3. Step 3: Cross multiply
    93,128.70x = 139,642.02 × 36,911.87
  4. Step 4: Simplify right side
    93,128.70x = 5,154,447,390.57
  5. Step 5: Solve for x
    x = 5,154,447,390.57/93,128.70
  6. Step 6: Final answer
    x = 55,347.57

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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.