Home / 112,835.06-168,243.80-109,734.98

Finding the Fourth Proportional to 112,835.06, 168,243.80 and 109,734.98

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Solution

The fourth proportional to 112,835.06, 168,243.80 and 109,734.98 is: 163,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,835.06 : 168,243.80 = 109,734.98 : x
  2. Step 2: Convert to fraction form
    112,835.06/168,243.80 = 109,734.98/x
  3. Step 3: Cross multiply
    112,835.06x = 168,243.80 × 109,734.98
  4. Step 4: Simplify right side
    112,835.06x = 18,462,229,461.24
  5. Step 5: Solve for x
    x = 18,462,229,461.24/112,835.06
  6. Step 6: Final answer
    x = 163,621.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.