Home / 212,037.98-292,654.96-125,980.40

Finding the Fourth Proportional to 212,037.98, 292,654.96 and 125,980.40

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Solution

The fourth proportional to 212,037.98, 292,654.96 and 125,980.40 is: 173,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,037.98 : 292,654.96 = 125,980.40 : x
  2. Step 2: Convert to fraction form
    212,037.98/292,654.96 = 125,980.40/x
  3. Step 3: Cross multiply
    212,037.98x = 292,654.96 × 125,980.40
  4. Step 4: Simplify right side
    212,037.98x = 36,868,788,922.78
  5. Step 5: Solve for x
    x = 36,868,788,922.78/212,037.98
  6. Step 6: Final answer
    x = 173,878.23

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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.