Home / 185,197.59-255,574.04-100,315.26

Finding the Fourth Proportional to 185,197.59, 255,574.04 and 100,315.26

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Solution

The fourth proportional to 185,197.59, 255,574.04 and 100,315.26 is: 138,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,197.59 : 255,574.04 = 100,315.26 : x
  2. Step 2: Convert to fraction form
    185,197.59/255,574.04 = 100,315.26/x
  3. Step 3: Cross multiply
    185,197.59x = 255,574.04 × 100,315.26
  4. Step 4: Simplify right side
    185,197.59x = 25,637,975,770.27
  5. Step 5: Solve for x
    x = 25,637,975,770.27/185,197.59
  6. Step 6: Final answer
    x = 138,435.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.