Home / 189,157.02-282,898.95-168,243.78

Finding the Fourth Proportional to 189,157.02, 282,898.95 and 168,243.78

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Solution

The fourth proportional to 189,157.02, 282,898.95 and 168,243.78 is: 251,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,157.02 : 282,898.95 = 168,243.78 : x
  2. Step 2: Convert to fraction form
    189,157.02/282,898.95 = 168,243.78/x
  3. Step 3: Cross multiply
    189,157.02x = 282,898.95 × 168,243.78
  4. Step 4: Simplify right side
    189,157.02x = 47,595,988,706.03
  5. Step 5: Solve for x
    x = 47,595,988,706.03/189,157.02
  6. Step 6: Final answer
    x = 251,621.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.