Home / 145,577.79-218,382.48-45,741.24

Finding the Fourth Proportional to 145,577.79, 218,382.48 and 45,741.24

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Solution

The fourth proportional to 145,577.79, 218,382.48 and 45,741.24 is: 68,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,577.79 : 218,382.48 = 45,741.24 : x
  2. Step 2: Convert to fraction form
    145,577.79/218,382.48 = 45,741.24/x
  3. Step 3: Cross multiply
    145,577.79x = 218,382.48 × 45,741.24
  4. Step 4: Simplify right side
    145,577.79x = 9,989,085,429.48
  5. Step 5: Solve for x
    x = 9,989,085,429.48/145,577.79
  6. Step 6: Final answer
    x = 68,616.82

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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.