Home / 201,742.20-302,613.30-170,638.20

Finding the Fourth Proportional to 201,742.20, 302,613.30 and 170,638.20

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Solution

The fourth proportional to 201,742.20, 302,613.30 and 170,638.20 is: 255,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,742.20 : 302,613.30 = 170,638.20 : x
  2. Step 2: Convert to fraction form
    201,742.20/302,613.30 = 170,638.20/x
  3. Step 3: Cross multiply
    201,742.20x = 302,613.30 × 170,638.20
  4. Step 4: Simplify right side
    201,742.20x = 51,637,388,808.06
  5. Step 5: Solve for x
    x = 51,637,388,808.06/201,742.20
  6. Step 6: Final answer
    x = 255,957.30

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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.