Home / 105,345.53-145,375.84-57,598.37

Finding the Fourth Proportional to 105,345.53, 145,375.84 and 57,598.37

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Solution

The fourth proportional to 105,345.53, 145,375.84 and 57,598.37 is: 79,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,345.53 : 145,375.84 = 57,598.37 : x
  2. Step 2: Convert to fraction form
    105,345.53/145,375.84 = 57,598.37/x
  3. Step 3: Cross multiply
    105,345.53x = 145,375.84 × 57,598.37
  4. Step 4: Simplify right side
    105,345.53x = 8,373,411,640.82
  5. Step 5: Solve for x
    x = 8,373,411,640.82/105,345.53
  6. Step 6: Final answer
    x = 79,485.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.