Home / 151,422.32-208,967.11-84,358.64

Finding the Fourth Proportional to 151,422.32, 208,967.11 and 84,358.64

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Solution

The fourth proportional to 151,422.32, 208,967.11 and 84,358.64 is: 116,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,422.32 : 208,967.11 = 84,358.64 : x
  2. Step 2: Convert to fraction form
    151,422.32/208,967.11 = 84,358.64/x
  3. Step 3: Cross multiply
    151,422.32x = 208,967.11 × 84,358.64
  4. Step 4: Simplify right side
    151,422.32x = 17,628,180,159.49
  5. Step 5: Solve for x
    x = 17,628,180,159.49/151,422.32
  6. Step 6: Final answer
    x = 116,417.32

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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.