Home / 242,630.34-334,836.90-140,656.20

Finding the Fourth Proportional to 242,630.34, 334,836.90 and 140,656.20

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Solution

The fourth proportional to 242,630.34, 334,836.90 and 140,656.20 is: 194,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,630.34 : 334,836.90 = 140,656.20 : x
  2. Step 2: Convert to fraction form
    242,630.34/334,836.90 = 140,656.20/x
  3. Step 3: Cross multiply
    242,630.34x = 334,836.90 × 140,656.20
  4. Step 4: Simplify right side
    242,630.34x = 47,096,885,973.78
  5. Step 5: Solve for x
    x = 47,096,885,973.78/242,630.34
  6. Step 6: Final answer
    x = 194,109.63

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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.