Home / 465,114.36-697,657.70-128,175.24

Finding the Fourth Proportional to 465,114.36, 697,657.70 and 128,175.24

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Solution

The fourth proportional to 465,114.36, 697,657.70 and 128,175.24 is: 192,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,114.36 : 697,657.70 = 128,175.24 : x
  2. Step 2: Convert to fraction form
    465,114.36/697,657.70 = 128,175.24/x
  3. Step 3: Cross multiply
    465,114.36x = 697,657.70 × 128,175.24
  4. Step 4: Simplify right side
    465,114.36x = 89,422,443,135.35
  5. Step 5: Solve for x
    x = 89,422,443,135.35/465,114.36
  6. Step 6: Final answer
    x = 192,259.05

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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.