Home / 98,990.19-148,491.36-39,825.81

Finding the Fourth Proportional to 98,990.19, 148,491.36 and 39,825.81

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Solution

The fourth proportional to 98,990.19, 148,491.36 and 39,825.81 is: 59,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,990.19 : 148,491.36 = 39,825.81 : x
  2. Step 2: Convert to fraction form
    98,990.19/148,491.36 = 39,825.81/x
  3. Step 3: Cross multiply
    98,990.19x = 148,491.36 × 39,825.81
  4. Step 4: Simplify right side
    98,990.19x = 5,913,788,690.00
  5. Step 5: Solve for x
    x = 5,913,788,690.00/98,990.19
  6. Step 6: Final answer
    x = 59,741.16

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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.