Home / 145,632.18-218,477.44-45,817.50

Finding the Fourth Proportional to 145,632.18, 218,477.44 and 45,817.50

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Solution

The fourth proportional to 145,632.18, 218,477.44 and 45,817.50 is: 68,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,632.18 : 218,477.44 = 45,817.50 : x
  2. Step 2: Convert to fraction form
    145,632.18/218,477.44 = 45,817.50/x
  3. Step 3: Cross multiply
    145,632.18x = 218,477.44 × 45,817.50
  4. Step 4: Simplify right side
    145,632.18x = 10,010,090,107.20
  5. Step 5: Solve for x
    x = 10,010,090,107.20/145,632.18
  6. Step 6: Final answer
    x = 68,735.43

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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.