Home / 104,970.93-157,409-30,073.92

Finding the Fourth Proportional to 104,970.93, 157,409 and 30,073.92

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Solution

The fourth proportional to 104,970.93, 157,409 and 30,073.92 is: 45,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,970.93 : 157,409 = 30,073.92 : x
  2. Step 2: Convert to fraction form
    104,970.93/157,409 = 30,073.92/x
  3. Step 3: Cross multiply
    104,970.93x = 157,409 × 30,073.92
  4. Step 4: Simplify right side
    104,970.93x = 4,733,905,673.28
  5. Step 5: Solve for x
    x = 4,733,905,673.28/104,970.93
  6. Step 6: Final answer
    x = 45,097.30

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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.