Home / 218,853.95-302,018.36-118,251.95

Finding the Fourth Proportional to 218,853.95, 302,018.36 and 118,251.95

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Solution

The fourth proportional to 218,853.95, 302,018.36 and 118,251.95 is: 163,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,853.95 : 302,018.36 = 118,251.95 : x
  2. Step 2: Convert to fraction form
    218,853.95/302,018.36 = 118,251.95/x
  3. Step 3: Cross multiply
    218,853.95x = 302,018.36 × 118,251.95
  4. Step 4: Simplify right side
    218,853.95x = 35,714,257,904.45
  5. Step 5: Solve for x
    x = 35,714,257,904.45/218,853.95
  6. Step 6: Final answer
    x = 163,187.64

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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.