Home / 242,436.88-334,555.32-135,004.60

Finding the Fourth Proportional to 242,436.88, 334,555.32 and 135,004.60

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Solution

The fourth proportional to 242,436.88, 334,555.32 and 135,004.60 is: 186,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,436.88 : 334,555.32 = 135,004.60 : x
  2. Step 2: Convert to fraction form
    242,436.88/334,555.32 = 135,004.60/x
  3. Step 3: Cross multiply
    242,436.88x = 334,555.32 × 135,004.60
  4. Step 4: Simplify right side
    242,436.88x = 45,166,507,154.47
  5. Step 5: Solve for x
    x = 45,166,507,154.47/242,436.88
  6. Step 6: Final answer
    x = 186,302.13

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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.