Home / 142,005.35-212,805.04-104,269.35

Finding the Fourth Proportional to 142,005.35, 212,805.04 and 104,269.35

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Solution

The fourth proportional to 142,005.35, 212,805.04 and 104,269.35 is: 156,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,005.35 : 212,805.04 = 104,269.35 : x
  2. Step 2: Convert to fraction form
    142,005.35/212,805.04 = 104,269.35/x
  3. Step 3: Cross multiply
    142,005.35x = 212,805.04 × 104,269.35
  4. Step 4: Simplify right side
    142,005.35x = 22,189,043,197.52
  5. Step 5: Solve for x
    x = 22,189,043,197.52/142,005.35
  6. Step 6: Final answer
    x = 156,254.98

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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.