Home / 131,523.60-181,498.88-74,162.40

Finding the Fourth Proportional to 131,523.60, 181,498.88 and 74,162.40

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Solution

The fourth proportional to 131,523.60, 181,498.88 and 74,162.40 is: 102,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523.60 : 181,498.88 = 74,162.40 : x
  2. Step 2: Convert to fraction form
    131,523.60/181,498.88 = 74,162.40/x
  3. Step 3: Cross multiply
    131,523.60x = 181,498.88 × 74,162.40
  4. Step 4: Simplify right side
    131,523.60x = 13,460,392,538.11
  5. Step 5: Solve for x
    x = 13,460,392,538.11/131,523.60
  6. Step 6: Final answer
    x = 102,342.03

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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.