Home / 112,298.90-168,302.67-45,661.46

Finding the Fourth Proportional to 112,298.90, 168,302.67 and 45,661.46

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Solution

The fourth proportional to 112,298.90, 168,302.67 and 45,661.46 is: 68,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.90 : 168,302.67 = 45,661.46 : x
  2. Step 2: Convert to fraction form
    112,298.90/168,302.67 = 45,661.46/x
  3. Step 3: Cross multiply
    112,298.90x = 168,302.67 × 45,661.46
  4. Step 4: Simplify right side
    112,298.90x = 7,684,945,634.10
  5. Step 5: Solve for x
    x = 7,684,945,634.10/112,298.90
  6. Step 6: Final answer
    x = 68,432.96

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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.