Home / 112,613.09-155,462.36-64,857.24

Finding the Fourth Proportional to 112,613.09, 155,462.36 and 64,857.24

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Solution

The fourth proportional to 112,613.09, 155,462.36 and 64,857.24 is: 89,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,613.09 : 155,462.36 = 64,857.24 : x
  2. Step 2: Convert to fraction form
    112,613.09/155,462.36 = 64,857.24/x
  3. Step 3: Cross multiply
    112,613.09x = 155,462.36 × 64,857.24
  4. Step 4: Simplify right side
    112,613.09x = 10,082,859,269.20
  5. Step 5: Solve for x
    x = 10,082,859,269.20/112,613.09
  6. Step 6: Final answer
    x = 89,535.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.