Home / 156,632.51-216,149.64-88,648.27

Finding the Fourth Proportional to 156,632.51, 216,149.64 and 88,648.27

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Solution

The fourth proportional to 156,632.51, 216,149.64 and 88,648.27 is: 122,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.51 : 216,149.64 = 88,648.27 : x
  2. Step 2: Convert to fraction form
    156,632.51/216,149.64 = 88,648.27/x
  3. Step 3: Cross multiply
    156,632.51x = 216,149.64 × 88,648.27
  4. Step 4: Simplify right side
    156,632.51x = 19,161,291,647.12
  5. Step 5: Solve for x
    x = 19,161,291,647.12/156,632.51
  6. Step 6: Final answer
    x = 122,332.79

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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.