Home / 130,644.23-180,283.93-74,054.39

Finding the Fourth Proportional to 130,644.23, 180,283.93 and 74,054.39

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Solution

The fourth proportional to 130,644.23, 180,283.93 and 74,054.39 is: 102,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,644.23 : 180,283.93 = 74,054.39 : x
  2. Step 2: Convert to fraction form
    130,644.23/180,283.93 = 74,054.39/x
  3. Step 3: Cross multiply
    130,644.23x = 180,283.93 × 74,054.39
  4. Step 4: Simplify right side
    130,644.23x = 13,350,815,376.40
  5. Step 5: Solve for x
    x = 13,350,815,376.40/130,644.23
  6. Step 6: Final answer
    x = 102,192.16

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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.