Home / 117,455.03-162,089.13-63,740.51

Finding the Fourth Proportional to 117,455.03, 162,089.13 and 63,740.51

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Solution

The fourth proportional to 117,455.03, 162,089.13 and 63,740.51 is: 87,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,455.03 : 162,089.13 = 63,740.51 : x
  2. Step 2: Convert to fraction form
    117,455.03/162,089.13 = 63,740.51/x
  3. Step 3: Cross multiply
    117,455.03x = 162,089.13 × 63,740.51
  4. Step 4: Simplify right side
    117,455.03x = 10,331,644,455.91
  5. Step 5: Solve for x
    x = 10,331,644,455.91/117,455.03
  6. Step 6: Final answer
    x = 87,962.55

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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.