Home / 155,742.51-233,613.77-89,136.21

Finding the Fourth Proportional to 155,742.51, 233,613.77 and 89,136.21

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Solution

The fourth proportional to 155,742.51, 233,613.77 and 89,136.21 is: 133,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,742.51 : 233,613.77 = 89,136.21 : x
  2. Step 2: Convert to fraction form
    155,742.51/233,613.77 = 89,136.21/x
  3. Step 3: Cross multiply
    155,742.51x = 233,613.77 × 89,136.21
  4. Step 4: Simplify right side
    155,742.51x = 20,823,445,615.93
  5. Step 5: Solve for x
    x = 20,823,445,615.93/155,742.51
  6. Step 6: Final answer
    x = 133,704.32

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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.