Home / 145,575.06-218,362.70-40,394.13

Finding the Fourth Proportional to 145,575.06, 218,362.70 and 40,394.13

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Solution

The fourth proportional to 145,575.06, 218,362.70 and 40,394.13 is: 60,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575.06 : 218,362.70 = 40,394.13 : x
  2. Step 2: Convert to fraction form
    145,575.06/218,362.70 = 40,394.13/x
  3. Step 3: Cross multiply
    145,575.06x = 218,362.70 × 40,394.13
  4. Step 4: Simplify right side
    145,575.06x = 8,820,571,290.95
  5. Step 5: Solve for x
    x = 8,820,571,290.95/145,575.06
  6. Step 6: Final answer
    x = 60,591.23

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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.