Home / 93,154.29-139,622.07-43,128.71

Finding the Fourth Proportional to 93,154.29, 139,622.07 and 43,128.71

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Solution

The fourth proportional to 93,154.29, 139,622.07 and 43,128.71 is: 64,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,154.29 : 139,622.07 = 43,128.71 : x
  2. Step 2: Convert to fraction form
    93,154.29/139,622.07 = 43,128.71/x
  3. Step 3: Cross multiply
    93,154.29x = 139,622.07 × 43,128.71
  4. Step 4: Simplify right side
    93,154.29x = 6,021,719,068.52
  5. Step 5: Solve for x
    x = 6,021,719,068.52/93,154.29
  6. Step 6: Final answer
    x = 64,642.42

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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.