Home / 127,530.52-175,987.38-70,940.68

Finding the Fourth Proportional to 127,530.52, 175,987.38 and 70,940.68

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Solution

The fourth proportional to 127,530.52, 175,987.38 and 70,940.68 is: 97,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,530.52 : 175,987.38 = 70,940.68 : x
  2. Step 2: Convert to fraction form
    127,530.52/175,987.38 = 70,940.68/x
  3. Step 3: Cross multiply
    127,530.52x = 175,987.38 × 70,940.68
  4. Step 4: Simplify right side
    127,530.52x = 12,484,664,408.62
  5. Step 5: Solve for x
    x = 12,484,664,408.62/127,530.52
  6. Step 6: Final answer
    x = 97,895.50

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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.