Home / 163,498.12-245,244.75-45,166.84

Finding the Fourth Proportional to 163,498.12, 245,244.75 and 45,166.84

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Solution

The fourth proportional to 163,498.12, 245,244.75 and 45,166.84 is: 67,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,498.12 : 245,244.75 = 45,166.84 : x
  2. Step 2: Convert to fraction form
    163,498.12/245,244.75 = 45,166.84/x
  3. Step 3: Cross multiply
    163,498.12x = 245,244.75 × 45,166.84
  4. Step 4: Simplify right side
    163,498.12x = 11,076,929,601.60
  5. Step 5: Solve for x
    x = 11,076,929,601.60/163,498.12
  6. Step 6: Final answer
    x = 67,749.58

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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.