Home / 179,985.80-248,412.12-103,498.76

Finding the Fourth Proportional to 179,985.80, 248,412.12 and 103,498.76

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Solution

The fourth proportional to 179,985.80, 248,412.12 and 103,498.76 is: 142,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,985.80 : 248,412.12 = 103,498.76 : x
  2. Step 2: Convert to fraction form
    179,985.80/248,412.12 = 103,498.76/x
  3. Step 3: Cross multiply
    179,985.80x = 248,412.12 × 103,498.76
  4. Step 4: Simplify right side
    179,985.80x = 25,710,346,388.97
  5. Step 5: Solve for x
    x = 25,710,346,388.97/179,985.80
  6. Step 6: Final answer
    x = 142,846.53

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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.