Home / 140,355.74-210,534.51-56,122.98

Finding the Fourth Proportional to 140,355.74, 210,534.51 and 56,122.98

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Solution

The fourth proportional to 140,355.74, 210,534.51 and 56,122.98 is: 84,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,355.74 : 210,534.51 = 56,122.98 : x
  2. Step 2: Convert to fraction form
    140,355.74/210,534.51 = 56,122.98/x
  3. Step 3: Cross multiply
    140,355.74x = 210,534.51 × 56,122.98
  4. Step 4: Simplify right side
    140,355.74x = 11,815,824,094.04
  5. Step 5: Solve for x
    x = 11,815,824,094.04/140,355.74
  6. Step 6: Final answer
    x = 84,184.83

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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.