Home / 169,973.40-254,441.70-99,643.80

Finding the Fourth Proportional to 169,973.40, 254,441.70 and 99,643.80

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Solution

The fourth proportional to 169,973.40, 254,441.70 and 99,643.80 is: 149,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,973.40 : 254,441.70 = 99,643.80 : x
  2. Step 2: Convert to fraction form
    169,973.40/254,441.70 = 99,643.80/x
  3. Step 3: Cross multiply
    169,973.40x = 254,441.70 × 99,643.80
  4. Step 4: Simplify right side
    169,973.40x = 25,353,537,866.46
  5. Step 5: Solve for x
    x = 25,353,537,866.46/169,973.40
  6. Step 6: Final answer
    x = 149,161.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.