Home / 122,328.10-183,492.15-103,665.70

Finding the Fourth Proportional to 122,328.10, 183,492.15 and 103,665.70

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Solution

The fourth proportional to 122,328.10, 183,492.15 and 103,665.70 is: 155,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,328.10 : 183,492.15 = 103,665.70 : x
  2. Step 2: Convert to fraction form
    122,328.10/183,492.15 = 103,665.70/x
  3. Step 3: Cross multiply
    122,328.10x = 183,492.15 × 103,665.70
  4. Step 4: Simplify right side
    122,328.10x = 19,021,842,174.26
  5. Step 5: Solve for x
    x = 19,021,842,174.26/122,328.10
  6. Step 6: Final answer
    x = 155,498.55

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1.5x scale

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.