Home / 131,295.05-180,969.36-93,005.47

Finding the Fourth Proportional to 131,295.05, 180,969.36 and 93,005.47

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Solution

The fourth proportional to 131,295.05, 180,969.36 and 93,005.47 is: 128,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,295.05 : 180,969.36 = 93,005.47 : x
  2. Step 2: Convert to fraction form
    131,295.05/180,969.36 = 93,005.47/x
  3. Step 3: Cross multiply
    131,295.05x = 180,969.36 × 93,005.47
  4. Step 4: Simplify right side
    131,295.05x = 16,831,139,241.89
  5. Step 5: Solve for x
    x = 16,831,139,241.89/131,295.05
  6. Step 6: Final answer
    x = 128,193.25

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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.