Home / 116,700.24-160,707.45-101,379.78

Finding the Fourth Proportional to 116,700.24, 160,707.45 and 101,379.78

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Solution

The fourth proportional to 116,700.24, 160,707.45 and 101,379.78 is: 139,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,700.24 : 160,707.45 = 101,379.78 : x
  2. Step 2: Convert to fraction form
    116,700.24/160,707.45 = 101,379.78/x
  3. Step 3: Cross multiply
    116,700.24x = 160,707.45 × 101,379.78
  4. Step 4: Simplify right side
    116,700.24x = 16,292,485,925.36
  5. Step 5: Solve for x
    x = 16,292,485,925.36/116,700.24
  6. Step 6: Final answer
    x = 139,609.70

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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.