Home / 102,323.02-141,203.64-57,000.94

Finding the Fourth Proportional to 102,323.02, 141,203.64 and 57,000.94

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Solution

The fourth proportional to 102,323.02, 141,203.64 and 57,000.94 is: 78,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,323.02 : 141,203.64 = 57,000.94 : x
  2. Step 2: Convert to fraction form
    102,323.02/141,203.64 = 57,000.94/x
  3. Step 3: Cross multiply
    102,323.02x = 141,203.64 × 57,000.94
  4. Step 4: Simplify right side
    102,323.02x = 8,048,740,211.42
  5. Step 5: Solve for x
    x = 8,048,740,211.42/102,323.02
  6. Step 6: Final answer
    x = 78,660.11

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1.5x scale

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.