Home / 236,302.52-326,093.95-128,872.32

Finding the Fourth Proportional to 236,302.52, 326,093.95 and 128,872.32

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Solution

The fourth proportional to 236,302.52, 326,093.95 and 128,872.32 is: 177,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,302.52 : 326,093.95 = 128,872.32 : x
  2. Step 2: Convert to fraction form
    236,302.52/326,093.95 = 128,872.32/x
  3. Step 3: Cross multiply
    236,302.52x = 326,093.95 × 128,872.32
  4. Step 4: Simplify right side
    236,302.52x = 42,024,482,812.70
  5. Step 5: Solve for x
    x = 42,024,482,812.70/236,302.52
  6. Step 6: Final answer
    x = 177,841.88

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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.