Home / 122,303.10-183,454.65-103,640.70

Finding the Fourth Proportional to 122,303.10, 183,454.65 and 103,640.70

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Solution

The fourth proportional to 122,303.10, 183,454.65 and 103,640.70 is: 155,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303.10 : 183,454.65 = 103,640.70 : x
  2. Step 2: Convert to fraction form
    122,303.10/183,454.65 = 103,640.70/x
  3. Step 3: Cross multiply
    122,303.10x = 183,454.65 × 103,640.70
  4. Step 4: Simplify right side
    122,303.10x = 19,013,368,344.26
  5. Step 5: Solve for x
    x = 19,013,368,344.26/122,303.10
  6. Step 6: Final answer
    x = 155,461.05

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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.