Home / 130,787.17-180,473.82-73,413.35

Finding the Fourth Proportional to 130,787.17, 180,473.82 and 73,413.35

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Solution

The fourth proportional to 130,787.17, 180,473.82 and 73,413.35 is: 101,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,787.17 : 180,473.82 = 73,413.35 : x
  2. Step 2: Convert to fraction form
    130,787.17/180,473.82 = 73,413.35/x
  3. Step 3: Cross multiply
    130,787.17x = 180,473.82 × 73,413.35
  4. Step 4: Simplify right side
    130,787.17x = 13,249,187,713.50
  5. Step 5: Solve for x
    x = 13,249,187,713.50/130,787.17
  6. Step 6: Final answer
    x = 101,303.42

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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.