Home / 142,750.10-214,082.48-42,883.58

Finding the Fourth Proportional to 142,750.10, 214,082.48 and 42,883.58

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Solution

The fourth proportional to 142,750.10, 214,082.48 and 42,883.58 is: 64,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.10 : 214,082.48 = 42,883.58 : x
  2. Step 2: Convert to fraction form
    142,750.10/214,082.48 = 42,883.58/x
  3. Step 3: Cross multiply
    142,750.10x = 214,082.48 × 42,883.58
  4. Step 4: Simplify right side
    142,750.10x = 9,180,623,157.68
  5. Step 5: Solve for x
    x = 9,180,623,157.68/142,750.10
  6. Step 6: Final answer
    x = 64,312.55

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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.