Home / 97,611.48-134,710.70-55,170.32

Finding the Fourth Proportional to 97,611.48, 134,710.70 and 55,170.32

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Solution

The fourth proportional to 97,611.48, 134,710.70 and 55,170.32 is: 76,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,611.48 : 134,710.70 = 55,170.32 : x
  2. Step 2: Convert to fraction form
    97,611.48/134,710.70 = 55,170.32/x
  3. Step 3: Cross multiply
    97,611.48x = 134,710.70 × 55,170.32
  4. Step 4: Simplify right side
    97,611.48x = 7,432,031,477.02
  5. Step 5: Solve for x
    x = 7,432,031,477.02/97,611.48
  6. Step 6: Final answer
    x = 76,138.91

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1.5x scale

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.