Home / 97,170.93-134,129.46-56,897.64

Finding the Fourth Proportional to 97,170.93, 134,129.46 and 56,897.64

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Solution

The fourth proportional to 97,170.93, 134,129.46 and 56,897.64 is: 78,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,170.93 : 134,129.46 = 56,897.64 : x
  2. Step 2: Convert to fraction form
    97,170.93/134,129.46 = 56,897.64/x
  3. Step 3: Cross multiply
    97,170.93x = 134,129.46 × 56,897.64
  4. Step 4: Simplify right side
    97,170.93x = 7,631,649,728.47
  5. Step 5: Solve for x
    x = 7,631,649,728.47/97,170.93
  6. Step 6: Final answer
    x = 78,538.40

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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.