Home / 242,145.90-334,203.12-151,538.58

Finding the Fourth Proportional to 242,145.90, 334,203.12 and 151,538.58

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Solution

The fourth proportional to 242,145.90, 334,203.12 and 151,538.58 is: 209,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,145.90 : 334,203.12 = 151,538.58 : x
  2. Step 2: Convert to fraction form
    242,145.90/334,203.12 = 151,538.58/x
  3. Step 3: Cross multiply
    242,145.90x = 334,203.12 × 151,538.58
  4. Step 4: Simplify right side
    242,145.90x = 50,644,666,236.37
  5. Step 5: Solve for x
    x = 50,644,666,236.37/242,145.90
  6. Step 6: Final answer
    x = 209,149.39

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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.