Home / 105,273.81-145,277.01-57,526.29

Finding the Fourth Proportional to 105,273.81, 145,277.01 and 57,526.29

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Solution

The fourth proportional to 105,273.81, 145,277.01 and 57,526.29 is: 79,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,273.81 : 145,277.01 = 57,526.29 : x
  2. Step 2: Convert to fraction form
    105,273.81/145,277.01 = 57,526.29/x
  3. Step 3: Cross multiply
    105,273.81x = 145,277.01 × 57,526.29
  4. Step 4: Simplify right side
    105,273.81x = 8,357,247,407.59
  5. Step 5: Solve for x
    x = 8,357,247,407.59/105,273.81
  6. Step 6: Final answer
    x = 79,385.82

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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.