Home / 104,153.40-155,315.52-103,206.15

Finding the Fourth Proportional to 104,153.40, 155,315.52 and 103,206.15

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Solution

The fourth proportional to 104,153.40, 155,315.52 and 103,206.15 is: 153,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.40 : 155,315.52 = 103,206.15 : x
  2. Step 2: Convert to fraction form
    104,153.40/155,315.52 = 103,206.15/x
  3. Step 3: Cross multiply
    104,153.40x = 155,315.52 × 103,206.15
  4. Step 4: Simplify right side
    104,153.40x = 16,029,516,854.45
  5. Step 5: Solve for x
    x = 16,029,516,854.45/104,153.40
  6. Step 6: Final answer
    x = 153,902.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.