Home / 146,330.25-201,931.61-85,899.93

Finding the Fourth Proportional to 146,330.25, 201,931.61 and 85,899.93

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Solution

The fourth proportional to 146,330.25, 201,931.61 and 85,899.93 is: 118,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,330.25 : 201,931.61 = 85,899.93 : x
  2. Step 2: Convert to fraction form
    146,330.25/201,931.61 = 85,899.93/x
  3. Step 3: Cross multiply
    146,330.25x = 201,931.61 × 85,899.93
  4. Step 4: Simplify right side
    146,330.25x = 17,345,911,163.79
  5. Step 5: Solve for x
    x = 17,345,911,163.79/146,330.25
  6. Step 6: Final answer
    x = 118,539.48

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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.