Home / 127,394.48-175,792.56-70,794.92

Finding the Fourth Proportional to 127,394.48, 175,792.56 and 70,794.92

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Solution

The fourth proportional to 127,394.48, 175,792.56 and 70,794.92 is: 97,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,394.48 : 175,792.56 = 70,794.92 : x
  2. Step 2: Convert to fraction form
    127,394.48/175,792.56 = 70,794.92/x
  3. Step 3: Cross multiply
    127,394.48x = 175,792.56 × 70,794.92
  4. Step 4: Simplify right side
    127,394.48x = 12,445,220,221.80
  5. Step 5: Solve for x
    x = 12,445,220,221.80/127,394.48
  6. Step 6: Final answer
    x = 97,690.42

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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.