Home / 119,977.72-180,087.90-70,153

Finding the Fourth Proportional to 119,977.72, 180,087.90 and 70,153

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Solution

The fourth proportional to 119,977.72, 180,087.90 and 70,153 is: 105,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.72 : 180,087.90 = 70,153 : x
  2. Step 2: Convert to fraction form
    119,977.72/180,087.90 = 70,153/x
  3. Step 3: Cross multiply
    119,977.72x = 180,087.90 × 70,153
  4. Step 4: Simplify right side
    119,977.72x = 12,633,706,448.70
  5. Step 5: Solve for x
    x = 12,633,706,448.70/119,977.72
  6. Step 6: Final answer
    x = 105,300.44

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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.