Home / 157,116.24-216,848.52-100,525.68

Finding the Fourth Proportional to 157,116.24, 216,848.52 and 100,525.68

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Solution

The fourth proportional to 157,116.24, 216,848.52 and 100,525.68 is: 138,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,116.24 : 216,848.52 = 100,525.68 : x
  2. Step 2: Convert to fraction form
    157,116.24/216,848.52 = 100,525.68/x
  3. Step 3: Cross multiply
    157,116.24x = 216,848.52 × 100,525.68
  4. Step 4: Simplify right side
    157,116.24x = 21,798,844,929.99
  5. Step 5: Solve for x
    x = 21,798,844,929.99/157,116.24
  6. Step 6: Final answer
    x = 138,743.42

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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.