Home / 242,561.10-334,744.65-135,131.07

Finding the Fourth Proportional to 242,561.10, 334,744.65 and 135,131.07

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Solution

The fourth proportional to 242,561.10, 334,744.65 and 135,131.07 is: 186,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,561.10 : 334,744.65 = 135,131.07 : x
  2. Step 2: Convert to fraction form
    242,561.10/334,744.65 = 135,131.07/x
  3. Step 3: Cross multiply
    242,561.10x = 334,744.65 × 135,131.07
  4. Step 4: Simplify right side
    242,561.10x = 45,234,402,731.28
  5. Step 5: Solve for x
    x = 45,234,402,731.28/242,561.10
  6. Step 6: Final answer
    x = 186,486.63

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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.