Home / 91,312.94-137,000.54-49,197.35

Finding the Fourth Proportional to 91,312.94, 137,000.54 and 49,197.35

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Solution

The fourth proportional to 91,312.94, 137,000.54 and 49,197.35 is: 73,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,312.94 : 137,000.54 = 49,197.35 : x
  2. Step 2: Convert to fraction form
    91,312.94/137,000.54 = 49,197.35/x
  3. Step 3: Cross multiply
    91,312.94x = 137,000.54 × 49,197.35
  4. Step 4: Simplify right side
    91,312.94x = 6,740,063,982.06
  5. Step 5: Solve for x
    x = 6,740,063,982.06/91,312.94
  6. Step 6: Final answer
    x = 73,812.80

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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.