Home / 122,365.71-169,001.51-84,242.25

Finding the Fourth Proportional to 122,365.71, 169,001.51 and 84,242.25

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Solution

The fourth proportional to 122,365.71, 169,001.51 and 84,242.25 is: 116,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,365.71 : 169,001.51 = 84,242.25 : x
  2. Step 2: Convert to fraction form
    122,365.71/169,001.51 = 84,242.25/x
  3. Step 3: Cross multiply
    122,365.71x = 169,001.51 × 84,242.25
  4. Step 4: Simplify right side
    122,365.71x = 14,237,067,034.59
  5. Step 5: Solve for x
    x = 14,237,067,034.59/122,365.71
  6. Step 6: Final answer
    x = 116,348.50

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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.