Home / 68,172.02-102,267.39-34,909.46

Finding the Fourth Proportional to 68,172.02, 102,267.39 and 34,909.46

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Solution

The fourth proportional to 68,172.02, 102,267.39 and 34,909.46 is: 52,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172.02 : 102,267.39 = 34,909.46 : x
  2. Step 2: Convert to fraction form
    68,172.02/102,267.39 = 34,909.46/x
  3. Step 3: Cross multiply
    68,172.02x = 102,267.39 × 34,909.46
  4. Step 4: Simplify right side
    68,172.02x = 3,570,099,360.51
  5. Step 5: Solve for x
    x = 3,570,099,360.51/68,172.02
  6. Step 6: Final answer
    x = 52,368.98

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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.