Home / 90,800.22-136,200.93-31,637.01

Finding the Fourth Proportional to 90,800.22, 136,200.93 and 31,637.01

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Solution

The fourth proportional to 90,800.22, 136,200.93 and 31,637.01 is: 47,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.22 : 136,200.93 = 31,637.01 : x
  2. Step 2: Convert to fraction form
    90,800.22/136,200.93 = 31,637.01/x
  3. Step 3: Cross multiply
    90,800.22x = 136,200.93 × 31,637.01
  4. Step 4: Simplify right side
    90,800.22x = 4,308,990,184.42
  5. Step 5: Solve for x
    x = 4,308,990,184.42/90,800.22
  6. Step 6: Final answer
    x = 47,455.72

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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.