Home / 170,430.40-255,644.52-52,101.28

Finding the Fourth Proportional to 170,430.40, 255,644.52 and 52,101.28

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Solution

The fourth proportional to 170,430.40, 255,644.52 and 52,101.28 is: 78,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,430.40 : 255,644.52 = 52,101.28 : x
  2. Step 2: Convert to fraction form
    170,430.40/255,644.52 = 52,101.28/x
  3. Step 3: Cross multiply
    170,430.40x = 255,644.52 × 52,101.28
  4. Step 4: Simplify right side
    170,430.40x = 13,319,406,716.99
  5. Step 5: Solve for x
    x = 13,319,406,716.99/170,430.40
  6. Step 6: Final answer
    x = 78,151.59

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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.