Home / 145,622.40-218,433.68-40,441.36

Finding the Fourth Proportional to 145,622.40, 218,433.68 and 40,441.36

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Solution

The fourth proportional to 145,622.40, 218,433.68 and 40,441.36 is: 60,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,622.40 : 218,433.68 = 40,441.36 : x
  2. Step 2: Convert to fraction form
    145,622.40/218,433.68 = 40,441.36/x
  3. Step 3: Cross multiply
    145,622.40x = 218,433.68 × 40,441.36
  4. Step 4: Simplify right side
    145,622.40x = 8,833,755,089.00
  5. Step 5: Solve for x
    x = 8,833,755,089.00/145,622.40
  6. Step 6: Final answer
    x = 60,662.06

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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.