Home / 155,310.77-232,927.67-66,554.21

Finding the Fourth Proportional to 155,310.77, 232,927.67 and 66,554.21

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Solution

The fourth proportional to 155,310.77, 232,927.67 and 66,554.21 is: 99,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,310.77 : 232,927.67 = 66,554.21 : x
  2. Step 2: Convert to fraction form
    155,310.77/232,927.67 = 66,554.21/x
  3. Step 3: Cross multiply
    155,310.77x = 232,927.67 × 66,554.21
  4. Step 4: Simplify right side
    155,310.77x = 15,502,315,566.58
  5. Step 5: Solve for x
    x = 15,502,315,566.58/155,310.77
  6. Step 6: Final answer
    x = 99,814.82

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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.