Home / 93,128.90-139,715.04-26,569.94

Finding the Fourth Proportional to 93,128.90, 139,715.04 and 26,569.94

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Solution

The fourth proportional to 93,128.90, 139,715.04 and 26,569.94 is: 39,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,128.90 : 139,715.04 = 26,569.94 : x
  2. Step 2: Convert to fraction form
    93,128.90/139,715.04 = 26,569.94/x
  3. Step 3: Cross multiply
    93,128.90x = 139,715.04 × 26,569.94
  4. Step 4: Simplify right side
    93,128.90x = 3,712,220,229.90
  5. Step 5: Solve for x
    x = 3,712,220,229.90/93,128.90
  6. Step 6: Final answer
    x = 39,861.10

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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.