Home / 229,968.04-317,366.34-128,000.02

Finding the Fourth Proportional to 229,968.04, 317,366.34 and 128,000.02

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Solution

The fourth proportional to 229,968.04, 317,366.34 and 128,000.02 is: 176,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,968.04 : 317,366.34 = 128,000.02 : x
  2. Step 2: Convert to fraction form
    229,968.04/317,366.34 = 128,000.02/x
  3. Step 3: Cross multiply
    229,968.04x = 317,366.34 × 128,000.02
  4. Step 4: Simplify right side
    229,968.04x = 40,622,897,867.33
  5. Step 5: Solve for x
    x = 40,622,897,867.33/229,968.04
  6. Step 6: Final answer
    x = 176,645.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.