Home / 260,142.02-390,239.00-70,605.44

Finding the Fourth Proportional to 260,142.02, 390,239.00 and 70,605.44

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Solution

The fourth proportional to 260,142.02, 390,239.00 and 70,605.44 is: 105,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,142.02 : 390,239.00 = 70,605.44 : x
  2. Step 2: Convert to fraction form
    260,142.02/390,239.00 = 70,605.44/x
  3. Step 3: Cross multiply
    260,142.02x = 390,239.00 × 70,605.44
  4. Step 4: Simplify right side
    260,142.02x = 27,552,994,525.48
  5. Step 5: Solve for x
    x = 27,552,994,525.48/260,142.02
  6. Step 6: Final answer
    x = 105,915.20

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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.