Home / 91,268.34-125,947.40-53,031.08

Finding the Fourth Proportional to 91,268.34, 125,947.40 and 53,031.08

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Solution

The fourth proportional to 91,268.34, 125,947.40 and 53,031.08 is: 73,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268.34 : 125,947.40 = 53,031.08 : x
  2. Step 2: Convert to fraction form
    91,268.34/125,947.40 = 53,031.08/x
  3. Step 3: Cross multiply
    91,268.34x = 125,947.40 × 53,031.08
  4. Step 4: Simplify right side
    91,268.34x = 6,679,125,750.30
  5. Step 5: Solve for x
    x = 6,679,125,750.30/91,268.34
  6. Step 6: Final answer
    x = 73,181.19

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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.