Home / 140,143.95-210,363.89-65,336.25

Finding the Fourth Proportional to 140,143.95, 210,363.89 and 65,336.25

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Solution

The fourth proportional to 140,143.95, 210,363.89 and 65,336.25 is: 98,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,143.95 : 210,363.89 = 65,336.25 : x
  2. Step 2: Convert to fraction form
    140,143.95/210,363.89 = 65,336.25/x
  3. Step 3: Cross multiply
    140,143.95x = 210,363.89 × 65,336.25
  4. Step 4: Simplify right side
    140,143.95x = 13,744,387,381.33
  5. Step 5: Solve for x
    x = 13,744,387,381.33/140,143.95
  6. Step 6: Final answer
    x = 98,073.36

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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.