Home / 175,128.04-262,798.26-69,938.20

Finding the Fourth Proportional to 175,128.04, 262,798.26 and 69,938.20

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Solution

The fourth proportional to 175,128.04, 262,798.26 and 69,938.20 is: 104,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,128.04 : 262,798.26 = 69,938.20 : x
  2. Step 2: Convert to fraction form
    175,128.04/262,798.26 = 69,938.20/x
  3. Step 3: Cross multiply
    175,128.04x = 262,798.26 × 69,938.20
  4. Step 4: Simplify right side
    175,128.04x = 18,379,637,267.53
  5. Step 5: Solve for x
    x = 18,379,637,267.53/175,128.04
  6. Step 6: Final answer
    x = 104,949.71

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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.