Home / 98,623.63-148,040.75-42,491.58

Finding the Fourth Proportional to 98,623.63, 148,040.75 and 42,491.58

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Solution

The fourth proportional to 98,623.63, 148,040.75 and 42,491.58 is: 63,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.63 : 148,040.75 = 42,491.58 : x
  2. Step 2: Convert to fraction form
    98,623.63/148,040.75 = 42,491.58/x
  3. Step 3: Cross multiply
    98,623.63x = 148,040.75 × 42,491.58
  4. Step 4: Simplify right side
    98,623.63x = 6,290,485,371.89
  5. Step 5: Solve for x
    x = 6,290,485,371.89/98,623.63
  6. Step 6: Final answer
    x = 63,782.74

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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.