Home / 238,947.12-329,709.24-136,952.93

Finding the Fourth Proportional to 238,947.12, 329,709.24 and 136,952.93

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Solution

The fourth proportional to 238,947.12, 329,709.24 and 136,952.93 is: 188,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,947.12 : 329,709.24 = 136,952.93 : x
  2. Step 2: Convert to fraction form
    238,947.12/329,709.24 = 136,952.93/x
  3. Step 3: Cross multiply
    238,947.12x = 329,709.24 × 136,952.93
  4. Step 4: Simplify right side
    238,947.12x = 45,154,646,776.77
  5. Step 5: Solve for x
    x = 45,154,646,776.77/238,947.12
  6. Step 6: Final answer
    x = 188,973.39

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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.