Home / 242,549.64-334,727.03-135,126.23

Finding the Fourth Proportional to 242,549.64, 334,727.03 and 135,126.23

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Solution

The fourth proportional to 242,549.64, 334,727.03 and 135,126.23 is: 186,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,549.64 : 334,727.03 = 135,126.23 : x
  2. Step 2: Convert to fraction form
    242,549.64/334,727.03 = 135,126.23/x
  3. Step 3: Cross multiply
    242,549.64x = 334,727.03 × 135,126.23
  4. Step 4: Simplify right side
    242,549.64x = 45,230,400,307.18
  5. Step 5: Solve for x
    x = 45,230,400,307.18/242,549.64
  6. Step 6: Final answer
    x = 186,478.94

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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.