Home / 116,538.75-160,831.91-71,225.39

Finding the Fourth Proportional to 116,538.75, 160,831.91 and 71,225.39

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Solution

The fourth proportional to 116,538.75, 160,831.91 and 71,225.39 is: 98,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,538.75 : 160,831.91 = 71,225.39 : x
  2. Step 2: Convert to fraction form
    116,538.75/160,831.91 = 71,225.39/x
  3. Step 3: Cross multiply
    116,538.75x = 160,831.91 × 71,225.39
  4. Step 4: Simplify right side
    116,538.75x = 11,455,316,094.34
  5. Step 5: Solve for x
    x = 11,455,316,094.34/116,538.75
  6. Step 6: Final answer
    x = 98,296.20

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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.