Home / 134,810.60-202,215.90-87,571.40

Finding the Fourth Proportional to 134,810.60, 202,215.90 and 87,571.40

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Solution

The fourth proportional to 134,810.60, 202,215.90 and 87,571.40 is: 131,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,810.60 : 202,215.90 = 87,571.40 : x
  2. Step 2: Convert to fraction form
    134,810.60/202,215.90 = 87,571.40/x
  3. Step 3: Cross multiply
    134,810.60x = 202,215.90 × 87,571.40
  4. Step 4: Simplify right side
    134,810.60x = 17,708,329,465.26
  5. Step 5: Solve for x
    x = 17,708,329,465.26/134,810.60
  6. Step 6: Final answer
    x = 131,357.10

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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.