Home / 127,280.25-175,646.75-70,696.89

Finding the Fourth Proportional to 127,280.25, 175,646.75 and 70,696.89

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Solution

The fourth proportional to 127,280.25, 175,646.75 and 70,696.89 is: 97,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,280.25 : 175,646.75 = 70,696.89 : x
  2. Step 2: Convert to fraction form
    127,280.25/175,646.75 = 70,696.89/x
  3. Step 3: Cross multiply
    127,280.25x = 175,646.75 × 70,696.89
  4. Step 4: Simplify right side
    127,280.25x = 12,417,678,610.12
  5. Step 5: Solve for x
    x = 12,417,678,610.12/127,280.25
  6. Step 6: Final answer
    x = 97,561.71

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1.5x scale

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.