Home / 170,011.40-254,498.70-99,681.80

Finding the Fourth Proportional to 170,011.40, 254,498.70 and 99,681.80

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Solution

The fourth proportional to 170,011.40, 254,498.70 and 99,681.80 is: 149,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,011.40 : 254,498.70 = 99,681.80 : x
  2. Step 2: Convert to fraction form
    170,011.40/254,498.70 = 99,681.80/x
  3. Step 3: Cross multiply
    170,011.40x = 254,498.70 × 99,681.80
  4. Step 4: Simplify right side
    170,011.40x = 25,368,888,513.66
  5. Step 5: Solve for x
    x = 25,368,888,513.66/170,011.40
  6. Step 6: Final answer
    x = 149,218.75

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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.