Home / 182,117.80-272,885.10-115,438.60

Finding the Fourth Proportional to 182,117.80, 272,885.10 and 115,438.60

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Solution

The fourth proportional to 182,117.80, 272,885.10 and 115,438.60 is: 172,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,117.80 : 272,885.10 = 115,438.60 : x
  2. Step 2: Convert to fraction form
    182,117.80/272,885.10 = 115,438.60/x
  3. Step 3: Cross multiply
    182,117.80x = 272,885.10 × 115,438.60
  4. Step 4: Simplify right side
    182,117.80x = 31,501,473,904.86
  5. Step 5: Solve for x
    x = 31,501,473,904.86/182,117.80
  6. Step 6: Final answer
    x = 172,973.06

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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.