Home / 102,677.10-154,038.60-36,119.40

Finding the Fourth Proportional to 102,677.10, 154,038.60 and 36,119.40

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Solution

The fourth proportional to 102,677.10, 154,038.60 and 36,119.40 is: 54,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,677.10 : 154,038.60 = 36,119.40 : x
  2. Step 2: Convert to fraction form
    102,677.10/154,038.60 = 36,119.40/x
  3. Step 3: Cross multiply
    102,677.10x = 154,038.60 × 36,119.40
  4. Step 4: Simplify right side
    102,677.10x = 5,563,781,808.84
  5. Step 5: Solve for x
    x = 5,563,781,808.84/102,677.10
  6. Step 6: Final answer
    x = 54,187.17

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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.