Home / 104,947.79-157,420.94-30,068.21

Finding the Fourth Proportional to 104,947.79, 157,420.94 and 30,068.21

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Solution

The fourth proportional to 104,947.79, 157,420.94 and 30,068.21 is: 45,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.79 : 157,420.94 = 30,068.21 : x
  2. Step 2: Convert to fraction form
    104,947.79/157,420.94 = 30,068.21/x
  3. Step 3: Cross multiply
    104,947.79x = 157,420.94 × 30,068.21
  4. Step 4: Simplify right side
    104,947.79x = 4,733,366,125.53
  5. Step 5: Solve for x
    x = 4,733,366,125.53/104,947.79
  6. Step 6: Final answer
    x = 45,102.11

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1.5x scale

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.