Home / 212,276.70-292,869-131,675.22

Finding the Fourth Proportional to 212,276.70, 292,869 and 131,675.22

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Solution

The fourth proportional to 212,276.70, 292,869 and 131,675.22 is: 181,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,276.70 : 292,869 = 131,675.22 : x
  2. Step 2: Convert to fraction form
    212,276.70/292,869 = 131,675.22/x
  3. Step 3: Cross multiply
    212,276.70x = 292,869 × 131,675.22
  4. Step 4: Simplify right side
    212,276.70x = 38,563,590,006.18
  5. Step 5: Solve for x
    x = 38,563,590,006.18/212,276.70
  6. Step 6: Final answer
    x = 181,666.62

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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.