Home / 113,701.44-157,007.04-71,332.80

Finding the Fourth Proportional to 113,701.44, 157,007.04 and 71,332.80

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Solution

The fourth proportional to 113,701.44, 157,007.04 and 71,332.80 is: 98,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.44 : 157,007.04 = 71,332.80 : x
  2. Step 2: Convert to fraction form
    113,701.44/157,007.04 = 71,332.80/x
  3. Step 3: Cross multiply
    113,701.44x = 157,007.04 × 71,332.80
  4. Step 4: Simplify right side
    113,701.44x = 11,199,751,782.91
  5. Step 5: Solve for x
    x = 11,199,751,782.91/113,701.44
  6. Step 6: Final answer
    x = 98,501.41

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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.