Home / 134,590.20-201,812.40-55,712.40

Finding the Fourth Proportional to 134,590.20, 201,812.40 and 55,712.40

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Solution

The fourth proportional to 134,590.20, 201,812.40 and 55,712.40 is: 83,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,590.20 : 201,812.40 = 55,712.40 : x
  2. Step 2: Convert to fraction form
    134,590.20/201,812.40 = 55,712.40/x
  3. Step 3: Cross multiply
    134,590.20x = 201,812.40 × 55,712.40
  4. Step 4: Simplify right side
    134,590.20x = 11,243,453,153.76
  5. Step 5: Solve for x
    x = 11,243,453,153.76/134,590.20
  6. Step 6: Final answer
    x = 83,538.42

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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.