Home / 145,300.32-217,963.08-40,119.36

Finding the Fourth Proportional to 145,300.32, 217,963.08 and 40,119.36

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Solution

The fourth proportional to 145,300.32, 217,963.08 and 40,119.36 is: 60,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,300.32 : 217,963.08 = 40,119.36 : x
  2. Step 2: Convert to fraction form
    145,300.32/217,963.08 = 40,119.36/x
  3. Step 3: Cross multiply
    145,300.32x = 217,963.08 × 40,119.36
  4. Step 4: Simplify right side
    145,300.32x = 8,744,539,273.23
  5. Step 5: Solve for x
    x = 8,744,539,273.23/145,300.32
  6. Step 6: Final answer
    x = 60,182.52

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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.