Home / 142,741.10-214,111.65-42,916.70

Finding the Fourth Proportional to 142,741.10, 214,111.65 and 42,916.70

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Solution

The fourth proportional to 142,741.10, 214,111.65 and 42,916.70 is: 64,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,741.10 : 214,111.65 = 42,916.70 : x
  2. Step 2: Convert to fraction form
    142,741.10/214,111.65 = 42,916.70/x
  3. Step 3: Cross multiply
    142,741.10x = 214,111.65 × 42,916.70
  4. Step 4: Simplify right side
    142,741.10x = 9,188,965,449.56
  5. Step 5: Solve for x
    x = 9,188,965,449.56/142,741.10
  6. Step 6: Final answer
    x = 64,375.05

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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.