Home / 142,050.20-212,927.70-57,774.20

Finding the Fourth Proportional to 142,050.20, 212,927.70 and 57,774.20

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Solution

The fourth proportional to 142,050.20, 212,927.70 and 57,774.20 is: 86,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,050.20 : 212,927.70 = 57,774.20 : x
  2. Step 2: Convert to fraction form
    142,050.20/212,927.70 = 57,774.20/x
  3. Step 3: Cross multiply
    142,050.20x = 212,927.70 × 57,774.20
  4. Step 4: Simplify right side
    142,050.20x = 12,301,727,525.34
  5. Step 5: Solve for x
    x = 12,301,727,525.34/142,050.20
  6. Step 6: Final answer
    x = 86,601.27

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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.