Home / 155,438.84-233,133.38-55,580.40

Finding the Fourth Proportional to 155,438.84, 233,133.38 and 55,580.40

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Solution

The fourth proportional to 155,438.84, 233,133.38 and 55,580.40 is: 83,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,438.84 : 233,133.38 = 55,580.40 : x
  2. Step 2: Convert to fraction form
    155,438.84/233,133.38 = 55,580.40/x
  3. Step 3: Cross multiply
    155,438.84x = 233,133.38 × 55,580.40
  4. Step 4: Simplify right side
    155,438.84x = 12,957,646,513.75
  5. Step 5: Solve for x
    x = 12,957,646,513.75/155,438.84
  6. Step 6: Final answer
    x = 83,361.70

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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.