Home / 94,221.56-130,026.48-51,780.80

Finding the Fourth Proportional to 94,221.56, 130,026.48 and 51,780.80

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Solution

The fourth proportional to 94,221.56, 130,026.48 and 51,780.80 is: 71,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221.56 : 130,026.48 = 51,780.80 : x
  2. Step 2: Convert to fraction form
    94,221.56/130,026.48 = 51,780.80/x
  3. Step 3: Cross multiply
    94,221.56x = 130,026.48 × 51,780.80
  4. Step 4: Simplify right side
    94,221.56x = 6,732,875,155.58
  5. Step 5: Solve for x
    x = 6,732,875,155.58/94,221.56
  6. Step 6: Final answer
    x = 71,457.90

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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.