Home / 145,528.94-218,377.25-61,282.54

Finding the Fourth Proportional to 145,528.94, 218,377.25 and 61,282.54

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Solution

The fourth proportional to 145,528.94, 218,377.25 and 61,282.54 is: 91,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528.94 : 218,377.25 = 61,282.54 : x
  2. Step 2: Convert to fraction form
    145,528.94/218,377.25 = 61,282.54/x
  3. Step 3: Cross multiply
    145,528.94x = 218,377.25 × 61,282.54
  4. Step 4: Simplify right side
    145,528.94x = 13,382,712,558.22
  5. Step 5: Solve for x
    x = 13,382,712,558.22/145,528.94
  6. Step 6: Final answer
    x = 91,959.12

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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.