Home / 120,574.04-166,400.70-66,864.20

Finding the Fourth Proportional to 120,574.04, 166,400.70 and 66,864.20

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Solution

The fourth proportional to 120,574.04, 166,400.70 and 66,864.20 is: 92,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,574.04 : 166,400.70 = 66,864.20 : x
  2. Step 2: Convert to fraction form
    120,574.04/166,400.70 = 66,864.20/x
  3. Step 3: Cross multiply
    120,574.04x = 166,400.70 × 66,864.20
  4. Step 4: Simplify right side
    120,574.04x = 11,126,249,684.94
  5. Step 5: Solve for x
    x = 11,126,249,684.94/120,574.04
  6. Step 6: Final answer
    x = 92,277.32

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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.