Home / 126,566.91-174,665.84-69,980.31

Finding the Fourth Proportional to 126,566.91, 174,665.84 and 69,980.31

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Solution

The fourth proportional to 126,566.91, 174,665.84 and 69,980.31 is: 96,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,566.91 : 174,665.84 = 69,980.31 : x
  2. Step 2: Convert to fraction form
    126,566.91/174,665.84 = 69,980.31/x
  3. Step 3: Cross multiply
    126,566.91x = 174,665.84 × 69,980.31
  4. Step 4: Simplify right side
    126,566.91x = 12,223,169,279.71
  5. Step 5: Solve for x
    x = 12,223,169,279.71/126,566.91
  6. Step 6: Final answer
    x = 96,574.76

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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.