Home / 124,221.40-186,333.72-35,477.80

Finding the Fourth Proportional to 124,221.40, 186,333.72 and 35,477.80

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Solution

The fourth proportional to 124,221.40, 186,333.72 and 35,477.80 is: 53,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.40 : 186,333.72 = 35,477.80 : x
  2. Step 2: Convert to fraction form
    124,221.40/186,333.72 = 35,477.80/x
  3. Step 3: Cross multiply
    124,221.40x = 186,333.72 × 35,477.80
  4. Step 4: Simplify right side
    124,221.40x = 6,610,710,451.42
  5. Step 5: Solve for x
    x = 6,610,710,451.42/124,221.40
  6. Step 6: Final answer
    x = 53,217.16

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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.