Home / 140,902.10-211,381.95-47,417.30

Finding the Fourth Proportional to 140,902.10, 211,381.95 and 47,417.30

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Solution

The fourth proportional to 140,902.10, 211,381.95 and 47,417.30 is: 71,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,902.10 : 211,381.95 = 47,417.30 : x
  2. Step 2: Convert to fraction form
    140,902.10/211,381.95 = 47,417.30/x
  3. Step 3: Cross multiply
    140,902.10x = 211,381.95 × 47,417.30
  4. Step 4: Simplify right side
    140,902.10x = 10,023,161,337.74
  5. Step 5: Solve for x
    x = 10,023,161,337.74/140,902.10
  6. Step 6: Final answer
    x = 71,135.64

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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.