Home / 94,917.66-130,964.61-56,669.76

Finding the Fourth Proportional to 94,917.66, 130,964.61 and 56,669.76

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Solution

The fourth proportional to 94,917.66, 130,964.61 and 56,669.76 is: 78,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,917.66 : 130,964.61 = 56,669.76 : x
  2. Step 2: Convert to fraction form
    94,917.66/130,964.61 = 56,669.76/x
  3. Step 3: Cross multiply
    94,917.66x = 130,964.61 × 56,669.76
  4. Step 4: Simplify right side
    94,917.66x = 7,421,733,017.19
  5. Step 5: Solve for x
    x = 7,421,733,017.19/94,917.66
  6. Step 6: Final answer
    x = 78,191.28

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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.