Home / 140,835.40-211,253.10-84,848.20

Finding the Fourth Proportional to 140,835.40, 211,253.10 and 84,848.20

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Solution

The fourth proportional to 140,835.40, 211,253.10 and 84,848.20 is: 127,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,835.40 : 211,253.10 = 84,848.20 : x
  2. Step 2: Convert to fraction form
    140,835.40/211,253.10 = 84,848.20/x
  3. Step 3: Cross multiply
    140,835.40x = 211,253.10 × 84,848.20
  4. Step 4: Simplify right side
    140,835.40x = 17,924,445,279.42
  5. Step 5: Solve for x
    x = 17,924,445,279.42/140,835.40
  6. Step 6: Final answer
    x = 127,272.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.