Home / 117,090.56-161,585.40-63,376.28

Finding the Fourth Proportional to 117,090.56, 161,585.40 and 63,376.28

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Solution

The fourth proportional to 117,090.56, 161,585.40 and 63,376.28 is: 87,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,090.56 : 161,585.40 = 63,376.28 : x
  2. Step 2: Convert to fraction form
    117,090.56/161,585.40 = 63,376.28/x
  3. Step 3: Cross multiply
    117,090.56x = 161,585.40 × 63,376.28
  4. Step 4: Simplify right side
    117,090.56x = 10,240,681,554.31
  5. Step 5: Solve for x
    x = 10,240,681,554.31/117,090.56
  6. Step 6: Final answer
    x = 87,459.50

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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.