Home / 102,321.02-141,200.88-56,998.94

Finding the Fourth Proportional to 102,321.02, 141,200.88 and 56,998.94

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Solution

The fourth proportional to 102,321.02, 141,200.88 and 56,998.94 is: 78,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,321.02 : 141,200.88 = 56,998.94 : x
  2. Step 2: Convert to fraction form
    102,321.02/141,200.88 = 56,998.94/x
  3. Step 3: Cross multiply
    102,321.02x = 141,200.88 × 56,998.94
  4. Step 4: Simplify right side
    102,321.02x = 8,048,300,487.07
  5. Step 5: Solve for x
    x = 8,048,300,487.07/102,321.02
  6. Step 6: Final answer
    x = 78,657.35

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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.