Home / 122,278.40-183,417.60-102,595.40

Finding the Fourth Proportional to 122,278.40, 183,417.60 and 102,595.40

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Solution

The fourth proportional to 122,278.40, 183,417.60 and 102,595.40 is: 153,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,278.40 : 183,417.60 = 102,595.40 : x
  2. Step 2: Convert to fraction form
    122,278.40/183,417.60 = 102,595.40/x
  3. Step 3: Cross multiply
    122,278.40x = 183,417.60 × 102,595.40
  4. Step 4: Simplify right side
    122,278.40x = 18,817,802,039.04
  5. Step 5: Solve for x
    x = 18,817,802,039.04/122,278.40
  6. Step 6: Final answer
    x = 153,893.10

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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.