Home / 210,106.35-289,970.96-116,981.46

Finding the Fourth Proportional to 210,106.35, 289,970.96 and 116,981.46

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Solution

The fourth proportional to 210,106.35, 289,970.96 and 116,981.46 is: 161,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,106.35 : 289,970.96 = 116,981.46 : x
  2. Step 2: Convert to fraction form
    210,106.35/289,970.96 = 116,981.46/x
  3. Step 3: Cross multiply
    210,106.35x = 289,970.96 × 116,981.46
  4. Step 4: Simplify right side
    210,106.35x = 33,921,225,673.49
  5. Step 5: Solve for x
    x = 33,921,225,673.49/210,106.35
  6. Step 6: Final answer
    x = 161,447.88

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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.