Home / 148,661.58-205,159.23-84,999.36

Finding the Fourth Proportional to 148,661.58, 205,159.23 and 84,999.36

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Solution

The fourth proportional to 148,661.58, 205,159.23 and 84,999.36 is: 117,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,661.58 : 205,159.23 = 84,999.36 : x
  2. Step 2: Convert to fraction form
    148,661.58/205,159.23 = 84,999.36/x
  3. Step 3: Cross multiply
    148,661.58x = 205,159.23 × 84,999.36
  4. Step 4: Simplify right side
    148,661.58x = 17,438,403,248.09
  5. Step 5: Solve for x
    x = 17,438,403,248.09/148,661.58
  6. Step 6: Final answer
    x = 117,302.69

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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.