Home / 147,113.40-220,232.70-87,918.60

Finding the Fourth Proportional to 147,113.40, 220,232.70 and 87,918.60

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Solution

The fourth proportional to 147,113.40, 220,232.70 and 87,918.60 is: 131,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,113.40 : 220,232.70 = 87,918.60 : x
  2. Step 2: Convert to fraction form
    147,113.40/220,232.70 = 87,918.60/x
  3. Step 3: Cross multiply
    147,113.40x = 220,232.70 × 87,918.60
  4. Step 4: Simplify right side
    147,113.40x = 19,362,550,658.22
  5. Step 5: Solve for x
    x = 19,362,550,658.22/147,113.40
  6. Step 6: Final answer
    x = 131,616.50

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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.