Home / 145,349.45-218,055.61-44,139.18

Finding the Fourth Proportional to 145,349.45, 218,055.61 and 44,139.18

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Solution

The fourth proportional to 145,349.45, 218,055.61 and 44,139.18 is: 66,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,349.45 : 218,055.61 = 44,139.18 : x
  2. Step 2: Convert to fraction form
    145,349.45/218,055.61 = 44,139.18/x
  3. Step 3: Cross multiply
    145,349.45x = 218,055.61 × 44,139.18
  4. Step 4: Simplify right side
    145,349.45x = 9,624,795,819.80
  5. Step 5: Solve for x
    x = 9,624,795,819.80/145,349.45
  6. Step 6: Final answer
    x = 66,218.32

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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.