Home / 88,188.48-121,702.30-47,902.23

Finding the Fourth Proportional to 88,188.48, 121,702.30 and 47,902.23

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Solution

The fourth proportional to 88,188.48, 121,702.30 and 47,902.23 is: 66,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,188.48 : 121,702.30 = 47,902.23 : x
  2. Step 2: Convert to fraction form
    88,188.48/121,702.30 = 47,902.23/x
  3. Step 3: Cross multiply
    88,188.48x = 121,702.30 × 47,902.23
  4. Step 4: Simplify right side
    88,188.48x = 5,829,811,446.37
  5. Step 5: Solve for x
    x = 5,829,811,446.37/88,188.48
  6. Step 6: Final answer
    x = 66,106.27

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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.