Home / 229,063.23-316,092.87-138,365.55

Finding the Fourth Proportional to 229,063.23, 316,092.87 and 138,365.55

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Solution

The fourth proportional to 229,063.23, 316,092.87 and 138,365.55 is: 190,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,063.23 : 316,092.87 = 138,365.55 : x
  2. Step 2: Convert to fraction form
    229,063.23/316,092.87 = 138,365.55/x
  3. Step 3: Cross multiply
    229,063.23x = 316,092.87 × 138,365.55
  4. Step 4: Simplify right side
    229,063.23x = 43,736,363,808.63
  5. Step 5: Solve for x
    x = 43,736,363,808.63/229,063.23
  6. Step 6: Final answer
    x = 190,935.77

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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.