Home / 145,845.30-218,658.33-61,703.94

Finding the Fourth Proportional to 145,845.30, 218,658.33 and 61,703.94

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Solution

The fourth proportional to 145,845.30, 218,658.33 and 61,703.94 is: 92,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.30 : 218,658.33 = 61,703.94 : x
  2. Step 2: Convert to fraction form
    145,845.30/218,658.33 = 61,703.94/x
  3. Step 3: Cross multiply
    145,845.30x = 218,658.33 × 61,703.94
  4. Step 4: Simplify right side
    145,845.30x = 13,492,080,474.82
  5. Step 5: Solve for x
    x = 13,492,080,474.82/145,845.30
  6. Step 6: Final answer
    x = 92,509.53

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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.