Home / 101,827.80-152,741.57-57,434.40

Finding the Fourth Proportional to 101,827.80, 152,741.57 and 57,434.40

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Solution

The fourth proportional to 101,827.80, 152,741.57 and 57,434.40 is: 86,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,827.80 : 152,741.57 = 57,434.40 : x
  2. Step 2: Convert to fraction form
    101,827.80/152,741.57 = 57,434.40/x
  3. Step 3: Cross multiply
    101,827.80x = 152,741.57 × 57,434.40
  4. Step 4: Simplify right side
    101,827.80x = 8,772,620,140.84
  5. Step 5: Solve for x
    x = 8,772,620,140.84/101,827.80
  6. Step 6: Final answer
    x = 86,151.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.