Home / 189,396.36-284,038.02-156,033.72

Finding the Fourth Proportional to 189,396.36, 284,038.02 and 156,033.72

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Solution

The fourth proportional to 189,396.36, 284,038.02 and 156,033.72 is: 234,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,396.36 : 284,038.02 = 156,033.72 : x
  2. Step 2: Convert to fraction form
    189,396.36/284,038.02 = 156,033.72/x
  3. Step 3: Cross multiply
    189,396.36x = 284,038.02 × 156,033.72
  4. Step 4: Simplify right side
    189,396.36x = 44,319,508,882.03
  5. Step 5: Solve for x
    x = 44,319,508,882.03/189,396.36
  6. Step 6: Final answer
    x = 234,004.02

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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.