Home / 242,720.01-334,955.16-135,296.82

Finding the Fourth Proportional to 242,720.01, 334,955.16 and 135,296.82

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Solution

The fourth proportional to 242,720.01, 334,955.16 and 135,296.82 is: 186,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,720.01 : 334,955.16 = 135,296.82 : x
  2. Step 2: Convert to fraction form
    242,720.01/334,955.16 = 135,296.82/x
  3. Step 3: Cross multiply
    242,720.01x = 334,955.16 × 135,296.82
  4. Step 4: Simplify right side
    242,720.01x = 45,318,367,990.59
  5. Step 5: Solve for x
    x = 45,318,367,990.59/242,720.01
  6. Step 6: Final answer
    x = 186,710.47

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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.