Home / 142,228.20-213,340.95-57,968.58

Finding the Fourth Proportional to 142,228.20, 213,340.95 and 57,968.58

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Solution

The fourth proportional to 142,228.20, 213,340.95 and 57,968.58 is: 86,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,228.20 : 213,340.95 = 57,968.58 : x
  2. Step 2: Convert to fraction form
    142,228.20/213,340.95 = 57,968.58/x
  3. Step 3: Cross multiply
    142,228.20x = 213,340.95 × 57,968.58
  4. Step 4: Simplify right side
    142,228.20x = 12,367,071,927.35
  5. Step 5: Solve for x
    x = 12,367,071,927.35/142,228.20
  6. Step 6: Final answer
    x = 86,952.32

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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.