Home / 113,789.80-157,007.46-63,479.08

Finding the Fourth Proportional to 113,789.80, 157,007.46 and 63,479.08

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Solution

The fourth proportional to 113,789.80, 157,007.46 and 63,479.08 is: 87,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789.80 : 157,007.46 = 63,479.08 : x
  2. Step 2: Convert to fraction form
    113,789.80/157,007.46 = 63,479.08/x
  3. Step 3: Cross multiply
    113,789.80x = 157,007.46 × 63,479.08
  4. Step 4: Simplify right side
    113,789.80x = 9,966,689,113.94
  5. Step 5: Solve for x
    x = 9,966,689,113.94/113,789.80
  6. Step 6: Final answer
    x = 87,588.60

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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.