Home / 135,142.02-202,658.36-40,339.22

Finding the Fourth Proportional to 135,142.02, 202,658.36 and 40,339.22

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Solution

The fourth proportional to 135,142.02, 202,658.36 and 40,339.22 is: 60,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,142.02 : 202,658.36 = 40,339.22 : x
  2. Step 2: Convert to fraction form
    135,142.02/202,658.36 = 40,339.22/x
  3. Step 3: Cross multiply
    135,142.02x = 202,658.36 × 40,339.22
  4. Step 4: Simplify right side
    135,142.02x = 8,175,078,953.89
  5. Step 5: Solve for x
    x = 8,175,078,953.89/135,142.02
  6. Step 6: Final answer
    x = 60,492.50

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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.