Home / 134,807.30-202,018.25-98,987.57

Finding the Fourth Proportional to 134,807.30, 202,018.25 and 98,987.57

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Solution

The fourth proportional to 134,807.30, 202,018.25 and 98,987.57 is: 148,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,807.30 : 202,018.25 = 98,987.57 : x
  2. Step 2: Convert to fraction form
    134,807.30/202,018.25 = 98,987.57/x
  3. Step 3: Cross multiply
    134,807.30x = 202,018.25 × 98,987.57
  4. Step 4: Simplify right side
    134,807.30x = 19,997,294,900.53
  5. Step 5: Solve for x
    x = 19,997,294,900.53/134,807.30
  6. Step 6: Final answer
    x = 148,339.86

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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.