Home / 98,687.02-148,038.72-39,490.39

Finding the Fourth Proportional to 98,687.02, 148,038.72 and 39,490.39

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Solution

The fourth proportional to 98,687.02, 148,038.72 and 39,490.39 is: 59,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687.02 : 148,038.72 = 39,490.39 : x
  2. Step 2: Convert to fraction form
    98,687.02/148,038.72 = 39,490.39/x
  3. Step 3: Cross multiply
    98,687.02x = 148,038.72 × 39,490.39
  4. Step 4: Simplify right side
    98,687.02x = 5,846,106,787.90
  5. Step 5: Solve for x
    x = 5,846,106,787.90/98,687.02
  6. Step 6: Final answer
    x = 59,238.87

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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.