Home / 97,205.18-134,145.96-56,915.16

Finding the Fourth Proportional to 97,205.18, 134,145.96 and 56,915.16

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Solution

The fourth proportional to 97,205.18, 134,145.96 and 56,915.16 is: 78,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,205.18 : 134,145.96 = 56,915.16 : x
  2. Step 2: Convert to fraction form
    97,205.18/134,145.96 = 56,915.16/x
  3. Step 3: Cross multiply
    97,205.18x = 134,145.96 × 56,915.16
  4. Step 4: Simplify right side
    97,205.18x = 7,634,938,776.75
  5. Step 5: Solve for x
    x = 7,634,938,776.75/97,205.18
  6. Step 6: Final answer
    x = 78,544.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.