Home / 134,032.50-185,310.45-128,157.30

Finding the Fourth Proportional to 134,032.50, 185,310.45 and 128,157.30

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Solution

The fourth proportional to 134,032.50, 185,310.45 and 128,157.30 is: 177,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,032.50 : 185,310.45 = 128,157.30 : x
  2. Step 2: Convert to fraction form
    134,032.50/185,310.45 = 128,157.30/x
  3. Step 3: Cross multiply
    134,032.50x = 185,310.45 × 128,157.30
  4. Step 4: Simplify right side
    134,032.50x = 23,748,886,933.79
  5. Step 5: Solve for x
    x = 23,748,886,933.79/134,032.50
  6. Step 6: Final answer
    x = 177,187.52

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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.