Home / 104,746.98-157,122.15-99,430.14

Finding the Fourth Proportional to 104,746.98, 157,122.15 and 99,430.14

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Solution

The fourth proportional to 104,746.98, 157,122.15 and 99,430.14 is: 149,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,746.98 : 157,122.15 = 99,430.14 : x
  2. Step 2: Convert to fraction form
    104,746.98/157,122.15 = 99,430.14/x
  3. Step 3: Cross multiply
    104,746.98x = 157,122.15 × 99,430.14
  4. Step 4: Simplify right side
    104,746.98x = 15,622,677,371.60
  5. Step 5: Solve for x
    x = 15,622,677,371.60/104,746.98
  6. Step 6: Final answer
    x = 149,146.80

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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.