Home / 131,784.32-197,688.62-43,038.29

Finding the Fourth Proportional to 131,784.32, 197,688.62 and 43,038.29

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Solution

The fourth proportional to 131,784.32, 197,688.62 and 43,038.29 is: 64,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.32 : 197,688.62 = 43,038.29 : x
  2. Step 2: Convert to fraction form
    131,784.32/197,688.62 = 43,038.29/x
  3. Step 3: Cross multiply
    131,784.32x = 197,688.62 × 43,038.29
  4. Step 4: Simplify right side
    131,784.32x = 8,508,180,157.26
  5. Step 5: Solve for x
    x = 8,508,180,157.26/131,784.32
  6. Step 6: Final answer
    x = 64,561.40

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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.