Home / 145,406.16-218,108.96-45,574.04

Finding the Fourth Proportional to 145,406.16, 218,108.96 and 45,574.04

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Solution

The fourth proportional to 145,406.16, 218,108.96 and 45,574.04 is: 68,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,406.16 : 218,108.96 = 45,574.04 : x
  2. Step 2: Convert to fraction form
    145,406.16/218,108.96 = 45,574.04/x
  3. Step 3: Cross multiply
    145,406.16x = 218,108.96 × 45,574.04
  4. Step 4: Simplify right side
    145,406.16x = 9,940,106,467.40
  5. Step 5: Solve for x
    x = 9,940,106,467.40/145,406.16
  6. Step 6: Final answer
    x = 68,360.97

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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.