Home / 155,192.20-214,193.14-91,526.28

Finding the Fourth Proportional to 155,192.20, 214,193.14 and 91,526.28

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Solution

The fourth proportional to 155,192.20, 214,193.14 and 91,526.28 is: 126,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,192.20 : 214,193.14 = 91,526.28 : x
  2. Step 2: Convert to fraction form
    155,192.20/214,193.14 = 91,526.28/x
  3. Step 3: Cross multiply
    155,192.20x = 214,193.14 × 91,526.28
  4. Step 4: Simplify right side
    155,192.20x = 19,604,301,305.72
  5. Step 5: Solve for x
    x = 19,604,301,305.72/155,192.20
  6. Step 6: Final answer
    x = 126,322.72

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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.