Home / 112,242.61-154,893.44-61,256.20

Finding the Fourth Proportional to 112,242.61, 154,893.44 and 61,256.20

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Solution

The fourth proportional to 112,242.61, 154,893.44 and 61,256.20 is: 84,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.61 : 154,893.44 = 61,256.20 : x
  2. Step 2: Convert to fraction form
    112,242.61/154,893.44 = 61,256.20/x
  3. Step 3: Cross multiply
    112,242.61x = 154,893.44 × 61,256.20
  4. Step 4: Simplify right side
    112,242.61x = 9,488,183,423.38
  5. Step 5: Solve for x
    x = 9,488,183,423.38/112,242.61
  6. Step 6: Final answer
    x = 84,532.81

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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.