Home / 210,114.24-289,957.76-114,621.12

Finding the Fourth Proportional to 210,114.24, 289,957.76 and 114,621.12

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Solution

The fourth proportional to 210,114.24, 289,957.76 and 114,621.12 is: 158,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,114.24 : 289,957.76 = 114,621.12 : x
  2. Step 2: Convert to fraction form
    210,114.24/289,957.76 = 114,621.12/x
  3. Step 3: Cross multiply
    210,114.24x = 289,957.76 × 114,621.12
  4. Step 4: Simplify right side
    210,114.24x = 33,235,283,203.89
  5. Step 5: Solve for x
    x = 33,235,283,203.89/210,114.24
  6. Step 6: Final answer
    x = 158,177.20

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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.