Home / 145,477.14-218,215.29-45,637.23

Finding the Fourth Proportional to 145,477.14, 218,215.29 and 45,637.23

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Solution

The fourth proportional to 145,477.14, 218,215.29 and 45,637.23 is: 68,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,477.14 : 218,215.29 = 45,637.23 : x
  2. Step 2: Convert to fraction form
    145,477.14/218,215.29 = 45,637.23/x
  3. Step 3: Cross multiply
    145,477.14x = 218,215.29 × 45,637.23
  4. Step 4: Simplify right side
    145,477.14x = 9,958,741,379.25
  5. Step 5: Solve for x
    x = 9,958,741,379.25/145,477.14
  6. Step 6: Final answer
    x = 68,455.71

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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.