Home / 134,878.10-202,317.15-64,721.30

Finding the Fourth Proportional to 134,878.10, 202,317.15 and 64,721.30

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Solution

The fourth proportional to 134,878.10, 202,317.15 and 64,721.30 is: 97,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,878.10 : 202,317.15 = 64,721.30 : x
  2. Step 2: Convert to fraction form
    134,878.10/202,317.15 = 64,721.30/x
  3. Step 3: Cross multiply
    134,878.10x = 202,317.15 × 64,721.30
  4. Step 4: Simplify right side
    134,878.10x = 13,094,228,960.30
  5. Step 5: Solve for x
    x = 13,094,228,960.30/134,878.10
  6. Step 6: Final answer
    x = 97,081.95

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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.