Home / 230,280.40-345,420.60-97,125.31

Finding the Fourth Proportional to 230,280.40, 345,420.60 and 97,125.31

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Solution

The fourth proportional to 230,280.40, 345,420.60 and 97,125.31 is: 145,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,280.40 : 345,420.60 = 97,125.31 : x
  2. Step 2: Convert to fraction form
    230,280.40/345,420.60 = 97,125.31/x
  3. Step 3: Cross multiply
    230,280.40x = 345,420.60 × 97,125.31
  4. Step 4: Simplify right side
    230,280.40x = 33,549,082,855.39
  5. Step 5: Solve for x
    x = 33,549,082,855.39/230,280.40
  6. Step 6: Final answer
    x = 145,687.97

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1.5x scale

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.