Home / 112,420.80-168,631.20-29,314.80

Finding the Fourth Proportional to 112,420.80, 168,631.20 and 29,314.80

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Solution

The fourth proportional to 112,420.80, 168,631.20 and 29,314.80 is: 43,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,420.80 : 168,631.20 = 29,314.80 : x
  2. Step 2: Convert to fraction form
    112,420.80/168,631.20 = 29,314.80/x
  3. Step 3: Cross multiply
    112,420.80x = 168,631.20 × 29,314.80
  4. Step 4: Simplify right side
    112,420.80x = 4,943,389,901.76
  5. Step 5: Solve for x
    x = 4,943,389,901.76/112,420.80
  6. Step 6: Final answer
    x = 43,972.20

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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.