Home / 97,215.50-134,157.40-52,503.50

Finding the Fourth Proportional to 97,215.50, 134,157.40 and 52,503.50

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Solution

The fourth proportional to 97,215.50, 134,157.40 and 52,503.50 is: 72,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,215.50 : 134,157.40 = 52,503.50 : x
  2. Step 2: Convert to fraction form
    97,215.50/134,157.40 = 52,503.50/x
  3. Step 3: Cross multiply
    97,215.50x = 134,157.40 × 52,503.50
  4. Step 4: Simplify right side
    97,215.50x = 7,043,733,050.90
  5. Step 5: Solve for x
    x = 7,043,733,050.90/97,215.50
  6. Step 6: Final answer
    x = 72,454.84

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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.