Home / 180,140.76-270,210.60-126,612.36

Finding the Fourth Proportional to 180,140.76, 270,210.60 and 126,612.36

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Solution

The fourth proportional to 180,140.76, 270,210.60 and 126,612.36 is: 189,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,140.76 : 270,210.60 = 126,612.36 : x
  2. Step 2: Convert to fraction form
    180,140.76/270,210.60 = 126,612.36/x
  3. Step 3: Cross multiply
    180,140.76x = 270,210.60 × 126,612.36
  4. Step 4: Simplify right side
    180,140.76x = 34,212,001,763.02
  5. Step 5: Solve for x
    x = 34,212,001,763.02/180,140.76
  6. Step 6: Final answer
    x = 189,918.16

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1.5x scale

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.