Home / 105,271.26-145,272.63-57,523.59

Finding the Fourth Proportional to 105,271.26, 145,272.63 and 57,523.59

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Solution

The fourth proportional to 105,271.26, 145,272.63 and 57,523.59 is: 79,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,271.26 : 145,272.63 = 57,523.59 : x
  2. Step 2: Convert to fraction form
    105,271.26/145,272.63 = 57,523.59/x
  3. Step 3: Cross multiply
    105,271.26x = 145,272.63 × 57,523.59
  4. Step 4: Simplify right side
    105,271.26x = 8,356,603,206.34
  5. Step 5: Solve for x
    x = 8,356,603,206.34/105,271.26
  6. Step 6: Final answer
    x = 79,381.62

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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.