Home / 131,416.58-181,354.94-70,987.22

Finding the Fourth Proportional to 131,416.58, 181,354.94 and 70,987.22

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Solution

The fourth proportional to 131,416.58, 181,354.94 and 70,987.22 is: 97,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,416.58 : 181,354.94 = 70,987.22 : x
  2. Step 2: Convert to fraction form
    131,416.58/181,354.94 = 70,987.22/x
  3. Step 3: Cross multiply
    131,416.58x = 181,354.94 × 70,987.22
  4. Step 4: Simplify right side
    131,416.58x = 12,873,882,117.09
  5. Step 5: Solve for x
    x = 12,873,882,117.09/131,416.58
  6. Step 6: Final answer
    x = 97,962.39

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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.