Home / 142,723.70-214,085.55-89,962.10

Finding the Fourth Proportional to 142,723.70, 214,085.55 and 89,962.10

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Solution

The fourth proportional to 142,723.70, 214,085.55 and 89,962.10 is: 134,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,723.70 : 214,085.55 = 89,962.10 : x
  2. Step 2: Convert to fraction form
    142,723.70/214,085.55 = 89,962.10/x
  3. Step 3: Cross multiply
    142,723.70x = 214,085.55 × 89,962.10
  4. Step 4: Simplify right side
    142,723.70x = 19,259,585,657.66
  5. Step 5: Solve for x
    x = 19,259,585,657.66/142,723.70
  6. Step 6: Final answer
    x = 134,943.15

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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.