Home / 92,115.09-127,134.18-53,347.35

Finding the Fourth Proportional to 92,115.09, 127,134.18 and 53,347.35

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Solution

The fourth proportional to 92,115.09, 127,134.18 and 53,347.35 is: 73,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,115.09 : 127,134.18 = 53,347.35 : x
  2. Step 2: Convert to fraction form
    92,115.09/127,134.18 = 53,347.35/x
  3. Step 3: Cross multiply
    92,115.09x = 127,134.18 × 53,347.35
  4. Step 4: Simplify right side
    92,115.09x = 6,782,271,597.42
  5. Step 5: Solve for x
    x = 6,782,271,597.42/92,115.09
  6. Step 6: Final answer
    x = 73,628.24

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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.