Home / 142,878.10-214,317.15-48,100.36

Finding the Fourth Proportional to 142,878.10, 214,317.15 and 48,100.36

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Solution

The fourth proportional to 142,878.10, 214,317.15 and 48,100.36 is: 72,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878.10 : 214,317.15 = 48,100.36 : x
  2. Step 2: Convert to fraction form
    142,878.10/214,317.15 = 48,100.36/x
  3. Step 3: Cross multiply
    142,878.10x = 214,317.15 × 48,100.36
  4. Step 4: Simplify right side
    142,878.10x = 10,308,732,069.17
  5. Step 5: Solve for x
    x = 10,308,732,069.17/142,878.10
  6. Step 6: Final answer
    x = 72,150.54

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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.