Home / 395,172.08-592,460-128,773.52

Finding the Fourth Proportional to 395,172.08, 592,460 and 128,773.52

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Solution

The fourth proportional to 395,172.08, 592,460 and 128,773.52 is: 193,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,172.08 : 592,460 = 128,773.52 : x
  2. Step 2: Convert to fraction form
    395,172.08/592,460 = 128,773.52/x
  3. Step 3: Cross multiply
    395,172.08x = 592,460 × 128,773.52
  4. Step 4: Simplify right side
    395,172.08x = 76,293,159,659.20
  5. Step 5: Solve for x
    x = 76,293,159,659.20/395,172.08
  6. Step 6: Final answer
    x = 193,063.13

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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.