Home / 145,475.72-200,708.28-118,571.96

Finding the Fourth Proportional to 145,475.72, 200,708.28 and 118,571.96

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Solution

The fourth proportional to 145,475.72, 200,708.28 and 118,571.96 is: 163,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,475.72 : 200,708.28 = 118,571.96 : x
  2. Step 2: Convert to fraction form
    145,475.72/200,708.28 = 118,571.96/x
  3. Step 3: Cross multiply
    145,475.72x = 200,708.28 × 118,571.96
  4. Step 4: Simplify right side
    145,475.72x = 23,798,374,147.83
  5. Step 5: Solve for x
    x = 23,798,374,147.83/145,475.72
  6. Step 6: Final answer
    x = 163,590.01

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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.