Home / 145,575.25-218,362.98-40,394.32

Finding the Fourth Proportional to 145,575.25, 218,362.98 and 40,394.32

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Solution

The fourth proportional to 145,575.25, 218,362.98 and 40,394.32 is: 60,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575.25 : 218,362.98 = 40,394.32 : x
  2. Step 2: Convert to fraction form
    145,575.25/218,362.98 = 40,394.32/x
  3. Step 3: Cross multiply
    145,575.25x = 218,362.98 × 40,394.32
  4. Step 4: Simplify right side
    145,575.25x = 8,820,624,090.27
  5. Step 5: Solve for x
    x = 8,820,624,090.27/145,575.25
  6. Step 6: Final answer
    x = 60,591.51

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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.