Home / 465,120.04-697,555.14-128,080.44

Finding the Fourth Proportional to 465,120.04, 697,555.14 and 128,080.44

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Solution

The fourth proportional to 465,120.04, 697,555.14 and 128,080.44 is: 192,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,120.04 : 697,555.14 = 128,080.44 : x
  2. Step 2: Convert to fraction form
    465,120.04/697,555.14 = 128,080.44/x
  3. Step 3: Cross multiply
    465,120.04x = 697,555.14 × 128,080.44
  4. Step 4: Simplify right side
    465,120.04x = 89,343,169,255.46
  5. Step 5: Solve for x
    x = 89,343,169,255.46/465,120.04
  6. Step 6: Final answer
    x = 192,086.26

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1.5x scale

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.