Home / 212,256.59-292,887.41-143,495.57

Finding the Fourth Proportional to 212,256.59, 292,887.41 and 143,495.57

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Solution

The fourth proportional to 212,256.59, 292,887.41 and 143,495.57 is: 198,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,256.59 : 292,887.41 = 143,495.57 : x
  2. Step 2: Convert to fraction form
    212,256.59/292,887.41 = 143,495.57/x
  3. Step 3: Cross multiply
    212,256.59x = 292,887.41 × 143,495.57
  4. Step 4: Simplify right side
    212,256.59x = 42,028,045,858.51
  5. Step 5: Solve for x
    x = 42,028,045,858.51/212,256.59
  6. Step 6: Final answer
    x = 198,005.85

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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.