Home / 117,254.61-161,810.73-63,538.25

Finding the Fourth Proportional to 117,254.61, 161,810.73 and 63,538.25

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Solution

The fourth proportional to 117,254.61, 161,810.73 and 63,538.25 is: 87,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,254.61 : 161,810.73 = 63,538.25 : x
  2. Step 2: Convert to fraction form
    117,254.61/161,810.73 = 63,538.25/x
  3. Step 3: Cross multiply
    117,254.61x = 161,810.73 × 63,538.25
  4. Step 4: Simplify right side
    117,254.61x = 10,281,169,806.37
  5. Step 5: Solve for x
    x = 10,281,169,806.37/117,254.61
  6. Step 6: Final answer
    x = 87,682.44

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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.