Home / 134,407.44-185,479.56-84,134.16

Finding the Fourth Proportional to 134,407.44, 185,479.56 and 84,134.16

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Solution

The fourth proportional to 134,407.44, 185,479.56 and 84,134.16 is: 116,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,407.44 : 185,479.56 = 84,134.16 : x
  2. Step 2: Convert to fraction form
    134,407.44/185,479.56 = 84,134.16/x
  3. Step 3: Cross multiply
    134,407.44x = 185,479.56 × 84,134.16
  4. Step 4: Simplify right side
    134,407.44x = 15,605,166,977.77
  5. Step 5: Solve for x
    x = 15,605,166,977.77/134,407.44
  6. Step 6: Final answer
    x = 116,103.45

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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.