Home / 136,295.80-188,166.45-91,123.30

Finding the Fourth Proportional to 136,295.80, 188,166.45 and 91,123.30

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Solution

The fourth proportional to 136,295.80, 188,166.45 and 91,123.30 is: 125,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,295.80 : 188,166.45 = 91,123.30 : x
  2. Step 2: Convert to fraction form
    136,295.80/188,166.45 = 91,123.30/x
  3. Step 3: Cross multiply
    136,295.80x = 188,166.45 × 91,123.30
  4. Step 4: Simplify right side
    136,295.80x = 17,146,347,873.29
  5. Step 5: Solve for x
    x = 17,146,347,873.29/136,295.80
  6. Step 6: Final answer
    x = 125,802.47

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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.