Home / 154,468.44-213,116.88-86,475.40

Finding the Fourth Proportional to 154,468.44, 213,116.88 and 86,475.40

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Solution

The fourth proportional to 154,468.44, 213,116.88 and 86,475.40 is: 119,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,468.44 : 213,116.88 = 86,475.40 : x
  2. Step 2: Convert to fraction form
    154,468.44/213,116.88 = 86,475.40/x
  3. Step 3: Cross multiply
    154,468.44x = 213,116.88 × 86,475.40
  4. Step 4: Simplify right side
    154,468.44x = 18,429,367,444.75
  5. Step 5: Solve for x
    x = 18,429,367,444.75/154,468.44
  6. Step 6: Final answer
    x = 119,308.30

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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.