Home / 242,634.76-334,837.29-140,720.63

Finding the Fourth Proportional to 242,634.76, 334,837.29 and 140,720.63

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Solution

The fourth proportional to 242,634.76, 334,837.29 and 140,720.63 is: 194,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,634.76 : 334,837.29 = 140,720.63 : x
  2. Step 2: Convert to fraction form
    242,634.76/334,837.29 = 140,720.63/x
  3. Step 3: Cross multiply
    242,634.76x = 334,837.29 × 140,720.63
  4. Step 4: Simplify right side
    242,634.76x = 47,118,513,249.81
  5. Step 5: Solve for x
    x = 47,118,513,249.81/242,634.76
  6. Step 6: Final answer
    x = 194,195.23

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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.