Home / 115,491.40-173,237.10-103,681.60

Finding the Fourth Proportional to 115,491.40, 173,237.10 and 103,681.60

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Solution

The fourth proportional to 115,491.40, 173,237.10 and 103,681.60 is: 155,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,491.40 : 173,237.10 = 103,681.60 : x
  2. Step 2: Convert to fraction form
    115,491.40/173,237.10 = 103,681.60/x
  3. Step 3: Cross multiply
    115,491.40x = 173,237.10 × 103,681.60
  4. Step 4: Simplify right side
    115,491.40x = 17,961,499,707.36
  5. Step 5: Solve for x
    x = 17,961,499,707.36/115,491.40
  6. Step 6: Final answer
    x = 155,522.40

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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.