Home / 130,705.95-180,374.31-73,337.37

Finding the Fourth Proportional to 130,705.95, 180,374.31 and 73,337.37

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Solution

The fourth proportional to 130,705.95, 180,374.31 and 73,337.37 is: 101,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,705.95 : 180,374.31 = 73,337.37 : x
  2. Step 2: Convert to fraction form
    130,705.95/180,374.31 = 73,337.37/x
  3. Step 3: Cross multiply
    130,705.95x = 180,374.31 × 73,337.37
  4. Step 4: Simplify right side
    130,705.95x = 13,228,177,510.96
  5. Step 5: Solve for x
    x = 13,228,177,510.96/130,705.95
  6. Step 6: Final answer
    x = 101,205.63

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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.