Home / 215,901.80-323,852.70-141,106.40

Finding the Fourth Proportional to 215,901.80, 323,852.70 and 141,106.40

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Solution

The fourth proportional to 215,901.80, 323,852.70 and 141,106.40 is: 211,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,901.80 : 323,852.70 = 141,106.40 : x
  2. Step 2: Convert to fraction form
    215,901.80/323,852.70 = 141,106.40/x
  3. Step 3: Cross multiply
    215,901.80x = 323,852.70 × 141,106.40
  4. Step 4: Simplify right side
    215,901.80x = 45,697,688,627.28
  5. Step 5: Solve for x
    x = 45,697,688,627.28/215,901.80
  6. Step 6: Final answer
    x = 211,659.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.