Home / 147,402.92-203,416.80-83,744.36

Finding the Fourth Proportional to 147,402.92, 203,416.80 and 83,744.36

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Solution

The fourth proportional to 147,402.92, 203,416.80 and 83,744.36 is: 115,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,402.92 : 203,416.80 = 83,744.36 : x
  2. Step 2: Convert to fraction form
    147,402.92/203,416.80 = 83,744.36/x
  3. Step 3: Cross multiply
    147,402.92x = 203,416.80 × 83,744.36
  4. Step 4: Simplify right side
    147,402.92x = 17,035,009,729.25
  5. Step 5: Solve for x
    x = 17,035,009,729.25/147,402.92
  6. Step 6: Final answer
    x = 115,567.65

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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.