Home / 301,109.16-451,681.02-90,725.16

Finding the Fourth Proportional to 301,109.16, 451,681.02 and 90,725.16

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Solution

The fourth proportional to 301,109.16, 451,681.02 and 90,725.16 is: 136,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,109.16 : 451,681.02 = 90,725.16 : x
  2. Step 2: Convert to fraction form
    301,109.16/451,681.02 = 90,725.16/x
  3. Step 3: Cross multiply
    301,109.16x = 451,681.02 × 90,725.16
  4. Step 4: Simplify right side
    301,109.16x = 40,978,832,808.46
  5. Step 5: Solve for x
    x = 40,978,832,808.46/301,109.16
  6. Step 6: Final answer
    x = 136,092.95

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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.