Home / 134,451.42-185,535.90-74,010.26

Finding the Fourth Proportional to 134,451.42, 185,535.90 and 74,010.26

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Solution

The fourth proportional to 134,451.42, 185,535.90 and 74,010.26 is: 102,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.42 : 185,535.90 = 74,010.26 : x
  2. Step 2: Convert to fraction form
    134,451.42/185,535.90 = 74,010.26/x
  3. Step 3: Cross multiply
    134,451.42x = 185,535.90 × 74,010.26
  4. Step 4: Simplify right side
    134,451.42x = 13,731,559,270.65
  5. Step 5: Solve for x
    x = 13,731,559,270.65/134,451.42
  6. Step 6: Final answer
    x = 102,130.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.