Home / 210,119.06-289,957.92-118,243.46

Finding the Fourth Proportional to 210,119.06, 289,957.92 and 118,243.46

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Solution

The fourth proportional to 210,119.06, 289,957.92 and 118,243.46 is: 163,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,119.06 : 289,957.92 = 118,243.46 : x
  2. Step 2: Convert to fraction form
    210,119.06/289,957.92 = 118,243.46/x
  3. Step 3: Cross multiply
    210,119.06x = 289,957.92 × 118,243.46
  4. Step 4: Simplify right side
    210,119.06x = 34,285,627,715.20
  5. Step 5: Solve for x
    x = 34,285,627,715.20/210,119.06
  6. Step 6: Final answer
    x = 163,172.38

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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.