Home / 97,390.80-145,985.40-52,923.60

Finding the Fourth Proportional to 97,390.80, 145,985.40 and 52,923.60

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Solution

The fourth proportional to 97,390.80, 145,985.40 and 52,923.60 is: 79,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,390.80 : 145,985.40 = 52,923.60 : x
  2. Step 2: Convert to fraction form
    97,390.80/145,985.40 = 52,923.60/x
  3. Step 3: Cross multiply
    97,390.80x = 145,985.40 × 52,923.60
  4. Step 4: Simplify right side
    97,390.80x = 7,726,072,915.44
  5. Step 5: Solve for x
    x = 7,726,072,915.44/97,390.80
  6. Step 6: Final answer
    x = 79,330.62

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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.