Home / 140,184.40-210,325.20-61,355.20

Finding the Fourth Proportional to 140,184.40, 210,325.20 and 61,355.20

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Solution

The fourth proportional to 140,184.40, 210,325.20 and 61,355.20 is: 92,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,184.40 : 210,325.20 = 61,355.20 : x
  2. Step 2: Convert to fraction form
    140,184.40/210,325.20 = 61,355.20/x
  3. Step 3: Cross multiply
    140,184.40x = 210,325.20 × 61,355.20
  4. Step 4: Simplify right side
    140,184.40x = 12,904,544,711.04
  5. Step 5: Solve for x
    x = 12,904,544,711.04/140,184.40
  6. Step 6: Final answer
    x = 92,054.07

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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.