Home / 146,645.76-202,360.88-86,219.04

Finding the Fourth Proportional to 146,645.76, 202,360.88 and 86,219.04

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Solution

The fourth proportional to 146,645.76, 202,360.88 and 86,219.04 is: 118,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,645.76 : 202,360.88 = 86,219.04 : x
  2. Step 2: Convert to fraction form
    146,645.76/202,360.88 = 86,219.04/x
  3. Step 3: Cross multiply
    146,645.76x = 202,360.88 × 86,219.04
  4. Step 4: Simplify right side
    146,645.76x = 17,447,360,807.16
  5. Step 5: Solve for x
    x = 17,447,360,807.16/146,645.76
  6. Step 6: Final answer
    x = 118,976.24

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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.