Home / 102,531.18-153,702.81-35,935.01

Finding the Fourth Proportional to 102,531.18, 153,702.81 and 35,935.01

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Solution

The fourth proportional to 102,531.18, 153,702.81 and 35,935.01 is: 53,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,531.18 : 153,702.81 = 35,935.01 : x
  2. Step 2: Convert to fraction form
    102,531.18/153,702.81 = 35,935.01/x
  3. Step 3: Cross multiply
    102,531.18x = 153,702.81 × 35,935.01
  4. Step 4: Simplify right side
    102,531.18x = 5,523,311,245.86
  5. Step 5: Solve for x
    x = 5,523,311,245.86/102,531.18
  6. Step 6: Final answer
    x = 53,869.58

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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.