Home / 74,113.10-111,242.55-36,715.40

Finding the Fourth Proportional to 74,113.10, 111,242.55 and 36,715.40

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Solution

The fourth proportional to 74,113.10, 111,242.55 and 36,715.40 is: 55,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,113.10 : 111,242.55 = 36,715.40 : x
  2. Step 2: Convert to fraction form
    74,113.10/111,242.55 = 36,715.40/x
  3. Step 3: Cross multiply
    74,113.10x = 111,242.55 × 36,715.40
  4. Step 4: Simplify right side
    74,113.10x = 4,084,314,720.27
  5. Step 5: Solve for x
    x = 4,084,314,720.27/74,113.10
  6. Step 6: Final answer
    x = 55,109.21

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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.