Home / 212,322.52-292,907.10-136,895.32

Finding the Fourth Proportional to 212,322.52, 292,907.10 and 136,895.32

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Solution

The fourth proportional to 212,322.52, 292,907.10 and 136,895.32 is: 188,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,322.52 : 292,907.10 = 136,895.32 : x
  2. Step 2: Convert to fraction form
    212,322.52/292,907.10 = 136,895.32/x
  3. Step 3: Cross multiply
    212,322.52x = 292,907.10 × 136,895.32
  4. Step 4: Simplify right side
    212,322.52x = 40,097,611,184.77
  5. Step 5: Solve for x
    x = 40,097,611,184.77/212,322.52
  6. Step 6: Final answer
    x = 188,852.37

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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.