Home / 102,762.02-141,811.18-57,439.98

Finding the Fourth Proportional to 102,762.02, 141,811.18 and 57,439.98

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Solution

The fourth proportional to 102,762.02, 141,811.18 and 57,439.98 is: 79,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,762.02 : 141,811.18 = 57,439.98 : x
  2. Step 2: Convert to fraction form
    102,762.02/141,811.18 = 57,439.98/x
  3. Step 3: Cross multiply
    102,762.02x = 141,811.18 × 57,439.98
  4. Step 4: Simplify right side
    102,762.02x = 8,145,631,342.98
  5. Step 5: Solve for x
    x = 8,145,631,342.98/102,762.02
  6. Step 6: Final answer
    x = 79,266.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.