Home / 126,156.08-174,060.60-72,438.32

Finding the Fourth Proportional to 126,156.08, 174,060.60 and 72,438.32

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Solution

The fourth proportional to 126,156.08, 174,060.60 and 72,438.32 is: 99,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,156.08 : 174,060.60 = 72,438.32 : x
  2. Step 2: Convert to fraction form
    126,156.08/174,060.60 = 72,438.32/x
  3. Step 3: Cross multiply
    126,156.08x = 174,060.60 × 72,438.32
  4. Step 4: Simplify right side
    126,156.08x = 12,608,657,442.19
  5. Step 5: Solve for x
    x = 12,608,657,442.19/126,156.08
  6. Step 6: Final answer
    x = 99,944.91

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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.