Home / 136,549.12-188,345.58-118,612.88

Finding the Fourth Proportional to 136,549.12, 188,345.58 and 118,612.88

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Solution

The fourth proportional to 136,549.12, 188,345.58 and 118,612.88 is: 163,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,549.12 : 188,345.58 = 118,612.88 : x
  2. Step 2: Convert to fraction form
    136,549.12/188,345.58 = 118,612.88/x
  3. Step 3: Cross multiply
    136,549.12x = 188,345.58 × 118,612.88
  4. Step 4: Simplify right side
    136,549.12x = 22,340,211,679.07
  5. Step 5: Solve for x
    x = 22,340,211,679.07/136,549.12
  6. Step 6: Final answer
    x = 163,605.68

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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.