Home / 142,758.90-214,065.45-52,797.06

Finding the Fourth Proportional to 142,758.90, 214,065.45 and 52,797.06

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Solution

The fourth proportional to 142,758.90, 214,065.45 and 52,797.06 is: 79,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,758.90 : 214,065.45 = 52,797.06 : x
  2. Step 2: Convert to fraction form
    142,758.90/214,065.45 = 52,797.06/x
  3. Step 3: Cross multiply
    142,758.90x = 214,065.45 × 52,797.06
  4. Step 4: Simplify right side
    142,758.90x = 11,302,026,407.58
  5. Step 5: Solve for x
    x = 11,302,026,407.58/142,758.90
  6. Step 6: Final answer
    x = 79,168.63

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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.