Home / 147,317.16-203,288.08-86,873.96

Finding the Fourth Proportional to 147,317.16, 203,288.08 and 86,873.96

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Solution

The fourth proportional to 147,317.16, 203,288.08 and 86,873.96 is: 119,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,317.16 : 203,288.08 = 86,873.96 : x
  2. Step 2: Convert to fraction form
    147,317.16/203,288.08 = 86,873.96/x
  3. Step 3: Cross multiply
    147,317.16x = 203,288.08 × 86,873.96
  4. Step 4: Simplify right side
    147,317.16x = 17,660,440,530.40
  5. Step 5: Solve for x
    x = 17,660,440,530.40/147,317.16
  6. Step 6: Final answer
    x = 119,880.40

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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.