Home / 240,055.19-360,136.35-90,296.72

Finding the Fourth Proportional to 240,055.19, 360,136.35 and 90,296.72

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Solution

The fourth proportional to 240,055.19, 360,136.35 and 90,296.72 is: 135,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,055.19 : 360,136.35 = 90,296.72 : x
  2. Step 2: Convert to fraction form
    240,055.19/360,136.35 = 90,296.72/x
  3. Step 3: Cross multiply
    240,055.19x = 360,136.35 × 90,296.72
  4. Step 4: Simplify right side
    240,055.19x = 32,519,129,357.09
  5. Step 5: Solve for x
    x = 32,519,129,357.09/240,055.19
  6. Step 6: Final answer
    x = 135,465.22

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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.