Home / 112,501.20-168,751.80-45,897.60

Finding the Fourth Proportional to 112,501.20, 168,751.80 and 45,897.60

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Solution

The fourth proportional to 112,501.20, 168,751.80 and 45,897.60 is: 68,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,501.20 : 168,751.80 = 45,897.60 : x
  2. Step 2: Convert to fraction form
    112,501.20/168,751.80 = 45,897.60/x
  3. Step 3: Cross multiply
    112,501.20x = 168,751.80 × 45,897.60
  4. Step 4: Simplify right side
    112,501.20x = 7,745,302,615.68
  5. Step 5: Solve for x
    x = 7,745,302,615.68/112,501.20
  6. Step 6: Final answer
    x = 68,846.40

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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.