Home / 102,023.40-140,788.90-56,083.20

Finding the Fourth Proportional to 102,023.40, 140,788.90 and 56,083.20

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Solution

The fourth proportional to 102,023.40, 140,788.90 and 56,083.20 is: 77,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,023.40 : 140,788.90 = 56,083.20 : x
  2. Step 2: Convert to fraction form
    102,023.40/140,788.90 = 56,083.20/x
  3. Step 3: Cross multiply
    102,023.40x = 140,788.90 × 56,083.20
  4. Step 4: Simplify right side
    102,023.40x = 7,895,892,036.48
  5. Step 5: Solve for x
    x = 7,895,892,036.48/102,023.40
  6. Step 6: Final answer
    x = 77,392.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.