Home / 130,868.69-180,552.79-85,573.18

Finding the Fourth Proportional to 130,868.69, 180,552.79 and 85,573.18

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Solution

The fourth proportional to 130,868.69, 180,552.79 and 85,573.18 is: 118,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,868.69 : 180,552.79 = 85,573.18 : x
  2. Step 2: Convert to fraction form
    130,868.69/180,552.79 = 85,573.18/x
  3. Step 3: Cross multiply
    130,868.69x = 180,552.79 × 85,573.18
  4. Step 4: Simplify right side
    130,868.69x = 15,450,476,730.83
  5. Step 5: Solve for x
    x = 15,450,476,730.83/130,868.69
  6. Step 6: Final answer
    x = 118,060.92

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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.