Home / 90,911.28-125,457.54-53,192.82

Finding the Fourth Proportional to 90,911.28, 125,457.54 and 53,192.82

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Solution

The fourth proportional to 90,911.28, 125,457.54 and 53,192.82 is: 73,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,911.28 : 125,457.54 = 53,192.82 : x
  2. Step 2: Convert to fraction form
    90,911.28/125,457.54 = 53,192.82/x
  3. Step 3: Cross multiply
    90,911.28x = 125,457.54 × 53,192.82
  4. Step 4: Simplify right side
    90,911.28x = 6,673,440,342.86
  5. Step 5: Solve for x
    x = 6,673,440,342.86/90,911.28
  6. Step 6: Final answer
    x = 73,406.08

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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.