Home / 102,840.16-154,084.20-56,125.84

Finding the Fourth Proportional to 102,840.16, 154,084.20 and 56,125.84

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Solution

The fourth proportional to 102,840.16, 154,084.20 and 56,125.84 is: 84,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,840.16 : 154,084.20 = 56,125.84 : x
  2. Step 2: Convert to fraction form
    102,840.16/154,084.20 = 56,125.84/x
  3. Step 3: Cross multiply
    102,840.16x = 154,084.20 × 56,125.84
  4. Step 4: Simplify right side
    102,840.16x = 8,648,105,155.73
  5. Step 5: Solve for x
    x = 8,648,105,155.73/102,840.16
  6. Step 6: Final answer
    x = 84,092.68

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1.5x scale

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.