Home / 103,460.10-155,153.70-36,902.40

Finding the Fourth Proportional to 103,460.10, 155,153.70 and 36,902.40

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Solution

The fourth proportional to 103,460.10, 155,153.70 and 36,902.40 is: 55,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,460.10 : 155,153.70 = 36,902.40 : x
  2. Step 2: Convert to fraction form
    103,460.10/155,153.70 = 36,902.40/x
  3. Step 3: Cross multiply
    103,460.10x = 155,153.70 × 36,902.40
  4. Step 4: Simplify right side
    103,460.10x = 5,725,543,898.88
  5. Step 5: Solve for x
    x = 5,725,543,898.88/103,460.10
  6. Step 6: Final answer
    x = 55,340.60

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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.