Home / 60,148.01-90,208.85-20,172.62

Finding the Fourth Proportional to 60,148.01, 90,208.85 and 20,172.62

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Solution

The fourth proportional to 60,148.01, 90,208.85 and 20,172.62 is: 30,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,148.01 : 90,208.85 = 20,172.62 : x
  2. Step 2: Convert to fraction form
    60,148.01/90,208.85 = 20,172.62/x
  3. Step 3: Cross multiply
    60,148.01x = 90,208.85 × 20,172.62
  4. Step 4: Simplify right side
    60,148.01x = 1,819,748,851.69
  5. Step 5: Solve for x
    x = 1,819,748,851.69/60,148.01
  6. Step 6: Final answer
    x = 30,254.51

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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.