Home / 152,401.49-210,338.13-91,980.75

Finding the Fourth Proportional to 152,401.49, 210,338.13 and 91,980.75

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Solution

The fourth proportional to 152,401.49, 210,338.13 and 91,980.75 is: 126,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,401.49 : 210,338.13 = 91,980.75 : x
  2. Step 2: Convert to fraction form
    152,401.49/210,338.13 = 91,980.75/x
  3. Step 3: Cross multiply
    152,401.49x = 210,338.13 × 91,980.75
  4. Step 4: Simplify right side
    152,401.49x = 19,347,058,951.00
  5. Step 5: Solve for x
    x = 19,347,058,951.00/152,401.49
  6. Step 6: Final answer
    x = 126,947.96

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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.