Home / 153,720.75-230,613.95-53,887.03

Finding the Fourth Proportional to 153,720.75, 230,613.95 and 53,887.03

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Solution

The fourth proportional to 153,720.75, 230,613.95 and 53,887.03 is: 80,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,720.75 : 230,613.95 = 53,887.03 : x
  2. Step 2: Convert to fraction form
    153,720.75/230,613.95 = 53,887.03/x
  3. Step 3: Cross multiply
    153,720.75x = 230,613.95 × 53,887.03
  4. Step 4: Simplify right side
    153,720.75x = 12,427,100,842.07
  5. Step 5: Solve for x
    x = 12,427,100,842.07/153,720.75
  6. Step 6: Final answer
    x = 80,842.05

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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.