Home / 88,763.60-133,145.40-42,107.60

Finding the Fourth Proportional to 88,763.60, 133,145.40 and 42,107.60

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Solution

The fourth proportional to 88,763.60, 133,145.40 and 42,107.60 is: 63,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,763.60 : 133,145.40 = 42,107.60 : x
  2. Step 2: Convert to fraction form
    88,763.60/133,145.40 = 42,107.60/x
  3. Step 3: Cross multiply
    88,763.60x = 133,145.40 × 42,107.60
  4. Step 4: Simplify right side
    88,763.60x = 5,606,433,245.04
  5. Step 5: Solve for x
    x = 5,606,433,245.04/88,763.60
  6. Step 6: Final answer
    x = 63,161.40

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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.