Home / 131,898.12-182,010.80-84,146.34

Finding the Fourth Proportional to 131,898.12, 182,010.80 and 84,146.34

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Solution

The fourth proportional to 131,898.12, 182,010.80 and 84,146.34 is: 116,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,898.12 : 182,010.80 = 84,146.34 : x
  2. Step 2: Convert to fraction form
    131,898.12/182,010.80 = 84,146.34/x
  3. Step 3: Cross multiply
    131,898.12x = 182,010.80 × 84,146.34
  4. Step 4: Simplify right side
    131,898.12x = 15,315,543,080.06
  5. Step 5: Solve for x
    x = 15,315,543,080.06/131,898.12
  6. Step 6: Final answer
    x = 116,116.46

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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.