Home / 210,005.76-313,670.04-189,984.60

Finding the Fourth Proportional to 210,005.76, 313,670.04 and 189,984.60

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Solution

The fourth proportional to 210,005.76, 313,670.04 and 189,984.60 is: 283,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.76 : 313,670.04 = 189,984.60 : x
  2. Step 2: Convert to fraction form
    210,005.76/313,670.04 = 189,984.60/x
  3. Step 3: Cross multiply
    210,005.76x = 313,670.04 × 189,984.60
  4. Step 4: Simplify right side
    210,005.76x = 59,592,477,081.38
  5. Step 5: Solve for x
    x = 59,592,477,081.38/210,005.76
  6. Step 6: Final answer
    x = 283,765.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.