Home / 102,520.16-141,477.84-57,808.16

Finding the Fourth Proportional to 102,520.16, 141,477.84 and 57,808.16

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Solution

The fourth proportional to 102,520.16, 141,477.84 and 57,808.16 is: 79,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,520.16 : 141,477.84 = 57,808.16 : x
  2. Step 2: Convert to fraction form
    102,520.16/141,477.84 = 57,808.16/x
  3. Step 3: Cross multiply
    102,520.16x = 141,477.84 × 57,808.16
  4. Step 4: Simplify right side
    102,520.16x = 8,178,573,611.17
  5. Step 5: Solve for x
    x = 8,178,573,611.17/102,520.16
  6. Step 6: Final answer
    x = 79,775.27

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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.