Home / 136,916.93-204,875.82-80,783.93

Finding the Fourth Proportional to 136,916.93, 204,875.82 and 80,783.93

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Solution

The fourth proportional to 136,916.93, 204,875.82 and 80,783.93 is: 120,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,916.93 : 204,875.82 = 80,783.93 : x
  2. Step 2: Convert to fraction form
    136,916.93/204,875.82 = 80,783.93/x
  3. Step 3: Cross multiply
    136,916.93x = 204,875.82 × 80,783.93
  4. Step 4: Simplify right side
    136,916.93x = 16,550,674,413.76
  5. Step 5: Solve for x
    x = 16,550,674,413.76/136,916.93
  6. Step 6: Final answer
    x = 120,881.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.