Home / 103,225.20-154,837.80-56,569.20

Finding the Fourth Proportional to 103,225.20, 154,837.80 and 56,569.20

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Solution

The fourth proportional to 103,225.20, 154,837.80 and 56,569.20 is: 84,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,225.20 : 154,837.80 = 56,569.20 : x
  2. Step 2: Convert to fraction form
    103,225.20/154,837.80 = 56,569.20/x
  3. Step 3: Cross multiply
    103,225.20x = 154,837.80 × 56,569.20
  4. Step 4: Simplify right side
    103,225.20x = 8,759,050,475.76
  5. Step 5: Solve for x
    x = 8,759,050,475.76/103,225.20
  6. Step 6: Final answer
    x = 84,853.80

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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.