Home / 284,140.02-426,078.80-106,519.98

Finding the Fourth Proportional to 284,140.02, 426,078.80 and 106,519.98

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Solution

The fourth proportional to 284,140.02, 426,078.80 and 106,519.98 is: 159,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,140.02 : 426,078.80 = 106,519.98 : x
  2. Step 2: Convert to fraction form
    284,140.02/426,078.80 = 106,519.98/x
  3. Step 3: Cross multiply
    284,140.02x = 426,078.80 × 106,519.98
  4. Step 4: Simplify right side
    284,140.02x = 45,385,905,254.42
  5. Step 5: Solve for x
    x = 45,385,905,254.42/284,140.02
  6. Step 6: Final answer
    x = 159,730.77

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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.