Home / 145,445.32-218,168.28-40,264.60

Finding the Fourth Proportional to 145,445.32, 218,168.28 and 40,264.60

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Solution

The fourth proportional to 145,445.32, 218,168.28 and 40,264.60 is: 60,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,445.32 : 218,168.28 = 40,264.60 : x
  2. Step 2: Convert to fraction form
    145,445.32/218,168.28 = 40,264.60/x
  3. Step 3: Cross multiply
    145,445.32x = 218,168.28 × 40,264.60
  4. Step 4: Simplify right side
    145,445.32x = 8,784,458,526.89
  5. Step 5: Solve for x
    x = 8,784,458,526.89/145,445.32
  6. Step 6: Final answer
    x = 60,396.98

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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.