Home / 191,753.45-264,638.48-143,271.26

Finding the Fourth Proportional to 191,753.45, 264,638.48 and 143,271.26

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Solution

The fourth proportional to 191,753.45, 264,638.48 and 143,271.26 is: 197,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,753.45 : 264,638.48 = 143,271.26 : x
  2. Step 2: Convert to fraction form
    191,753.45/264,638.48 = 143,271.26/x
  3. Step 3: Cross multiply
    191,753.45x = 264,638.48 × 143,271.26
  4. Step 4: Simplify right side
    191,753.45x = 37,915,088,474.08
  5. Step 5: Solve for x
    x = 37,915,088,474.08/191,753.45
  6. Step 6: Final answer
    x = 197,728.32

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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.