Home / 242,419.21-334,543.90-134,999.23

Finding the Fourth Proportional to 242,419.21, 334,543.90 and 134,999.23

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Solution

The fourth proportional to 242,419.21, 334,543.90 and 134,999.23 is: 186,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,419.21 : 334,543.90 = 134,999.23 : x
  2. Step 2: Convert to fraction form
    242,419.21/334,543.90 = 134,999.23/x
  3. Step 3: Cross multiply
    242,419.21x = 334,543.90 × 134,999.23
  4. Step 4: Simplify right side
    242,419.21x = 45,163,168,901.20
  5. Step 5: Solve for x
    x = 45,163,168,901.20/242,419.21
  6. Step 6: Final answer
    x = 186,301.94

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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.