Home / 145,979.76-218,872.36-52,473.36

Finding the Fourth Proportional to 145,979.76, 218,872.36 and 52,473.36

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Solution

The fourth proportional to 145,979.76, 218,872.36 and 52,473.36 is: 78,675.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.76 : 218,872.36 = 52,473.36 : x
  2. Step 2: Convert to fraction form
    145,979.76/218,872.36 = 52,473.36/x
  3. Step 3: Cross multiply
    145,979.76x = 218,872.36 × 52,473.36
  4. Step 4: Simplify right side
    145,979.76x = 11,484,968,140.33
  5. Step 5: Solve for x
    x = 11,484,968,140.33/145,979.76
  6. Step 6: Final answer
    x = 78,675.07

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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.