Home / 188,816.88-283,225.33-70,497.45

Finding the Fourth Proportional to 188,816.88, 283,225.33 and 70,497.45

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Solution

The fourth proportional to 188,816.88, 283,225.33 and 70,497.45 is: 105,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,816.88 : 283,225.33 = 70,497.45 : x
  2. Step 2: Convert to fraction form
    188,816.88/283,225.33 = 70,497.45/x
  3. Step 3: Cross multiply
    188,816.88x = 283,225.33 × 70,497.45
  4. Step 4: Simplify right side
    188,816.88x = 19,966,663,364.16
  5. Step 5: Solve for x
    x = 19,966,663,364.16/188,816.88
  6. Step 6: Final answer
    x = 105,746.18

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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.