Home / 124,235.40-186,354.72-35,491.80

Finding the Fourth Proportional to 124,235.40, 186,354.72 and 35,491.80

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Solution

The fourth proportional to 124,235.40, 186,354.72 and 35,491.80 is: 53,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,235.40 : 186,354.72 = 35,491.80 : x
  2. Step 2: Convert to fraction form
    124,235.40/186,354.72 = 35,491.80/x
  3. Step 3: Cross multiply
    124,235.40x = 186,354.72 × 35,491.80
  4. Step 4: Simplify right side
    124,235.40x = 6,614,064,451.30
  5. Step 5: Solve for x
    x = 6,614,064,451.30/124,235.40
  6. Step 6: Final answer
    x = 53,238.16

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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.