Home / 105,273.56-145,277.34-57,526.92

Finding the Fourth Proportional to 105,273.56, 145,277.34 and 57,526.92

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Solution

The fourth proportional to 105,273.56, 145,277.34 and 57,526.92 is: 79,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,273.56 : 145,277.34 = 57,526.92 : x
  2. Step 2: Convert to fraction form
    105,273.56/145,277.34 = 57,526.92/x
  3. Step 3: Cross multiply
    105,273.56x = 145,277.34 × 57,526.92
  4. Step 4: Simplify right side
    105,273.56x = 8,357,357,915.99
  5. Step 5: Solve for x
    x = 8,357,357,915.99/105,273.56
  6. Step 6: Final answer
    x = 79,387.06

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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.