Home / 145,320.83-218,022.94-61,037.65

Finding the Fourth Proportional to 145,320.83, 218,022.94 and 61,037.65

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Solution

The fourth proportional to 145,320.83, 218,022.94 and 61,037.65 is: 91,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,320.83 : 218,022.94 = 61,037.65 : x
  2. Step 2: Convert to fraction form
    145,320.83/218,022.94 = 61,037.65/x
  3. Step 3: Cross multiply
    145,320.83x = 218,022.94 × 61,037.65
  4. Step 4: Simplify right side
    145,320.83x = 13,307,608,252.52
  5. Step 5: Solve for x
    x = 13,307,608,252.52/145,320.83
  6. Step 6: Final answer
    x = 91,573.99

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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.