Home / 451,686.02-677,528.48-136,142.89

Finding the Fourth Proportional to 451,686.02, 677,528.48 and 136,142.89

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Solution

The fourth proportional to 451,686.02, 677,528.48 and 136,142.89 is: 204,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,686.02 : 677,528.48 = 136,142.89 : x
  2. Step 2: Convert to fraction form
    451,686.02/677,528.48 = 136,142.89/x
  3. Step 3: Cross multiply
    451,686.02x = 677,528.48 × 136,142.89
  4. Step 4: Simplify right side
    451,686.02x = 92,240,683,971.04
  5. Step 5: Solve for x
    x = 92,240,683,971.04/451,686.02
  6. Step 6: Final answer
    x = 204,214.17

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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.