Home / 109,085.34-163,630.02-34,203.80

Finding the Fourth Proportional to 109,085.34, 163,630.02 and 34,203.80

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Solution

The fourth proportional to 109,085.34, 163,630.02 and 34,203.80 is: 51,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,085.34 : 163,630.02 = 34,203.80 : x
  2. Step 2: Convert to fraction form
    109,085.34/163,630.02 = 34,203.80/x
  3. Step 3: Cross multiply
    109,085.34x = 163,630.02 × 34,203.80
  4. Step 4: Simplify right side
    109,085.34x = 5,596,768,478.08
  5. Step 5: Solve for x
    x = 5,596,768,478.08/109,085.34
  6. Step 6: Final answer
    x = 51,306.33

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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.