Home / 152,962.38-211,029.12-112,771.68

Finding the Fourth Proportional to 152,962.38, 211,029.12 and 112,771.68

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Solution

The fourth proportional to 152,962.38, 211,029.12 and 112,771.68 is: 155,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,962.38 : 211,029.12 = 112,771.68 : x
  2. Step 2: Convert to fraction form
    152,962.38/211,029.12 = 112,771.68/x
  3. Step 3: Cross multiply
    152,962.38x = 211,029.12 × 112,771.68
  4. Step 4: Simplify right side
    152,962.38x = 23,798,108,391.32
  5. Step 5: Solve for x
    x = 23,798,108,391.32/152,962.38
  6. Step 6: Final answer
    x = 155,581.45

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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.