Home / 210,134.58-289,973.90-119,512.60

Finding the Fourth Proportional to 210,134.58, 289,973.90 and 119,512.60

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Solution

The fourth proportional to 210,134.58, 289,973.90 and 119,512.60 is: 164,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,134.58 : 289,973.90 = 119,512.60 : x
  2. Step 2: Convert to fraction form
    210,134.58/289,973.90 = 119,512.60/x
  3. Step 3: Cross multiply
    210,134.58x = 289,973.90 × 119,512.60
  4. Step 4: Simplify right side
    210,134.58x = 34,655,534,721.14
  5. Step 5: Solve for x
    x = 34,655,534,721.14/210,134.58
  6. Step 6: Final answer
    x = 164,920.67

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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.