Home / 162,900.40-244,277.70-74,108.20

Finding the Fourth Proportional to 162,900.40, 244,277.70 and 74,108.20

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Solution

The fourth proportional to 162,900.40, 244,277.70 and 74,108.20 is: 111,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,900.40 : 244,277.70 = 74,108.20 : x
  2. Step 2: Convert to fraction form
    162,900.40/244,277.70 = 74,108.20/x
  3. Step 3: Cross multiply
    162,900.40x = 244,277.70 × 74,108.20
  4. Step 4: Simplify right side
    162,900.40x = 18,102,980,647.14
  5. Step 5: Solve for x
    x = 18,102,980,647.14/162,900.40
  6. Step 6: Final answer
    x = 111,129.14

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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.