Home / 242,655.12-334,889.15-145,890.63

Finding the Fourth Proportional to 242,655.12, 334,889.15 and 145,890.63

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Solution

The fourth proportional to 242,655.12, 334,889.15 and 145,890.63 is: 201,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,655.12 : 334,889.15 = 145,890.63 : x
  2. Step 2: Convert to fraction form
    242,655.12/334,889.15 = 145,890.63/x
  3. Step 3: Cross multiply
    242,655.12x = 334,889.15 × 145,890.63
  4. Step 4: Simplify right side
    242,655.12x = 48,857,188,344.21
  5. Step 5: Solve for x
    x = 48,857,188,344.21/242,655.12
  6. Step 6: Final answer
    x = 201,344.15

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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.