Home / 130,546.50-180,155.25-70,930.50

Finding the Fourth Proportional to 130,546.50, 180,155.25 and 70,930.50

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Solution

The fourth proportional to 130,546.50, 180,155.25 and 70,930.50 is: 97,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,546.50 : 180,155.25 = 70,930.50 : x
  2. Step 2: Convert to fraction form
    130,546.50/180,155.25 = 70,930.50/x
  3. Step 3: Cross multiply
    130,546.50x = 180,155.25 × 70,930.50
  4. Step 4: Simplify right side
    130,546.50x = 12,778,501,960.13
  5. Step 5: Solve for x
    x = 12,778,501,960.13/130,546.50
  6. Step 6: Final answer
    x = 97,884.68

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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.