Home / 130,689.56-180,596.76-106,807.52

Finding the Fourth Proportional to 130,689.56, 180,596.76 and 106,807.52

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Solution

The fourth proportional to 130,689.56, 180,596.76 and 106,807.52 is: 147,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,689.56 : 180,596.76 = 106,807.52 : x
  2. Step 2: Convert to fraction form
    130,689.56/180,596.76 = 106,807.52/x
  3. Step 3: Cross multiply
    130,689.56x = 180,596.76 × 106,807.52
  4. Step 4: Simplify right side
    130,689.56x = 19,289,092,055.64
  5. Step 5: Solve for x
    x = 19,289,092,055.64/130,689.56
  6. Step 6: Final answer
    x = 147,594.74

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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.