Home / 145,231.02-217,660.95-117,164.31

Finding the Fourth Proportional to 145,231.02, 217,660.95 and 117,164.31

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Solution

The fourth proportional to 145,231.02, 217,660.95 and 117,164.31 is: 175,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,231.02 : 217,660.95 = 117,164.31 : x
  2. Step 2: Convert to fraction form
    145,231.02/217,660.95 = 117,164.31/x
  3. Step 3: Cross multiply
    145,231.02x = 217,660.95 × 117,164.31
  4. Step 4: Simplify right side
    145,231.02x = 25,502,095,020.69
  5. Step 5: Solve for x
    x = 25,502,095,020.69/145,231.02
  6. Step 6: Final answer
    x = 175,596.75

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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.