Home / 147,470.50-203,509.05-83,808.34

Finding the Fourth Proportional to 147,470.50, 203,509.05 and 83,808.34

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Solution

The fourth proportional to 147,470.50, 203,509.05 and 83,808.34 is: 115,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,470.50 : 203,509.05 = 83,808.34 : x
  2. Step 2: Convert to fraction form
    147,470.50/203,509.05 = 83,808.34/x
  3. Step 3: Cross multiply
    147,470.50x = 203,509.05 × 83,808.34
  4. Step 4: Simplify right side
    147,470.50x = 17,055,755,655.48
  5. Step 5: Solve for x
    x = 17,055,755,655.48/147,470.50
  6. Step 6: Final answer
    x = 115,655.37

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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.