Home / 145,988.22-201,463.91-85,546.83

Finding the Fourth Proportional to 145,988.22, 201,463.91 and 85,546.83

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Solution

The fourth proportional to 145,988.22, 201,463.91 and 85,546.83 is: 118,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,988.22 : 201,463.91 = 85,546.83 : x
  2. Step 2: Convert to fraction form
    145,988.22/201,463.91 = 85,546.83/x
  3. Step 3: Cross multiply
    145,988.22x = 201,463.91 × 85,546.83
  4. Step 4: Simplify right side
    145,988.22x = 17,234,598,859.91
  5. Step 5: Solve for x
    x = 17,234,598,859.91/145,988.22
  6. Step 6: Final answer
    x = 118,054.72

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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.