Home / 260,525.04-390,175.08-126,986.76

Finding the Fourth Proportional to 260,525.04, 390,175.08 and 126,986.76

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Solution

The fourth proportional to 260,525.04, 390,175.08 and 126,986.76 is: 190,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,525.04 : 390,175.08 = 126,986.76 : x
  2. Step 2: Convert to fraction form
    260,525.04/390,175.08 = 126,986.76/x
  3. Step 3: Cross multiply
    260,525.04x = 390,175.08 × 126,986.76
  4. Step 4: Simplify right side
    260,525.04x = 49,547,069,241.94
  5. Step 5: Solve for x
    x = 49,547,069,241.94/260,525.04
  6. Step 6: Final answer
    x = 190,181.60

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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.