Home / 127,347.08-175,727.50-69,985.72

Finding the Fourth Proportional to 127,347.08, 175,727.50 and 69,985.72

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Solution

The fourth proportional to 127,347.08, 175,727.50 and 69,985.72 is: 96,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347.08 : 175,727.50 = 69,985.72 : x
  2. Step 2: Convert to fraction form
    127,347.08/175,727.50 = 69,985.72/x
  3. Step 3: Cross multiply
    127,347.08x = 175,727.50 × 69,985.72
  4. Step 4: Simplify right side
    127,347.08x = 12,298,414,997.02
  5. Step 5: Solve for x
    x = 12,298,414,997.02/127,347.08
  6. Step 6: Final answer
    x = 96,573.98

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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.