Home / 145,956.87-218,934-46,117.05

Finding the Fourth Proportional to 145,956.87, 218,934 and 46,117.05

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Solution

The fourth proportional to 145,956.87, 218,934 and 46,117.05 is: 69,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,956.87 : 218,934 = 46,117.05 : x
  2. Step 2: Convert to fraction form
    145,956.87/218,934 = 46,117.05/x
  3. Step 3: Cross multiply
    145,956.87x = 218,934 × 46,117.05
  4. Step 4: Simplify right side
    145,956.87x = 10,096,590,224.70
  5. Step 5: Solve for x
    x = 10,096,590,224.70/145,956.87
  6. Step 6: Final answer
    x = 69,175.16

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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.