Home / 102,883.71-154,353.30-42,892.25

Finding the Fourth Proportional to 102,883.71, 154,353.30 and 42,892.25

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Solution

The fourth proportional to 102,883.71, 154,353.30 and 42,892.25 is: 64,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.71 : 154,353.30 = 42,892.25 : x
  2. Step 2: Convert to fraction form
    102,883.71/154,353.30 = 42,892.25/x
  3. Step 3: Cross multiply
    102,883.71x = 154,353.30 × 42,892.25
  4. Step 4: Simplify right side
    102,883.71x = 6,620,559,616.37
  5. Step 5: Solve for x
    x = 6,620,559,616.37/102,883.71
  6. Step 6: Final answer
    x = 64,349.93

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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.