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Finding the Fourth Proportional to 181,053.44, 249,797.76 and 105,548.48

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Solution

The fourth proportional to 181,053.44, 249,797.76 and 105,548.48 is: 145,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,053.44 : 249,797.76 = 105,548.48 : x
  2. Step 2: Convert to fraction form
    181,053.44/249,797.76 = 105,548.48/x
  3. Step 3: Cross multiply
    181,053.44x = 249,797.76 × 105,548.48
  4. Step 4: Simplify right side
    181,053.44x = 26,365,773,875.40
  5. Step 5: Solve for x
    x = 26,365,773,875.40/181,053.44
  6. Step 6: Final answer
    x = 145,624.26

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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.