Home / 97,479.09-145,885.95-81,701.93

Finding the Fourth Proportional to 97,479.09, 145,885.95 and 81,701.93

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Solution

The fourth proportional to 97,479.09, 145,885.95 and 81,701.93 is: 122,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,479.09 : 145,885.95 = 81,701.93 : x
  2. Step 2: Convert to fraction form
    97,479.09/145,885.95 = 81,701.93/x
  3. Step 3: Cross multiply
    97,479.09x = 145,885.95 × 81,701.93
  4. Step 4: Simplify right side
    97,479.09x = 11,919,163,674.88
  5. Step 5: Solve for x
    x = 11,919,163,674.88/97,479.09
  6. Step 6: Final answer
    x = 122,274.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.