Home / 97,812.90-146,762.55-45,195.30

Finding the Fourth Proportional to 97,812.90, 146,762.55 and 45,195.30

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Solution

The fourth proportional to 97,812.90, 146,762.55 and 45,195.30 is: 67,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,812.90 : 146,762.55 = 45,195.30 : x
  2. Step 2: Convert to fraction form
    97,812.90/146,762.55 = 45,195.30/x
  3. Step 3: Cross multiply
    97,812.90x = 146,762.55 × 45,195.30
  4. Step 4: Simplify right side
    97,812.90x = 6,632,977,476.02
  5. Step 5: Solve for x
    x = 6,632,977,476.02/97,812.90
  6. Step 6: Final answer
    x = 67,812.91

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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.