Home / 145,898.06-218,759.46-57,045.72

Finding the Fourth Proportional to 145,898.06, 218,759.46 and 57,045.72

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Solution

The fourth proportional to 145,898.06, 218,759.46 and 57,045.72 is: 85,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,898.06 : 218,759.46 = 57,045.72 : x
  2. Step 2: Convert to fraction form
    145,898.06/218,759.46 = 57,045.72/x
  3. Step 3: Cross multiply
    145,898.06x = 218,759.46 × 57,045.72
  4. Step 4: Simplify right side
    145,898.06x = 12,479,290,902.51
  5. Step 5: Solve for x
    x = 12,479,290,902.51/145,898.06
  6. Step 6: Final answer
    x = 85,534.32

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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.