Home / 72,088.48-108,132.36-19,497.76

Finding the Fourth Proportional to 72,088.48, 108,132.36 and 19,497.76

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Solution

The fourth proportional to 72,088.48, 108,132.36 and 19,497.76 is: 29,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,088.48 : 108,132.36 = 19,497.76 : x
  2. Step 2: Convert to fraction form
    72,088.48/108,132.36 = 19,497.76/x
  3. Step 3: Cross multiply
    72,088.48x = 108,132.36 × 19,497.76
  4. Step 4: Simplify right side
    72,088.48x = 2,108,338,803.51
  5. Step 5: Solve for x
    x = 2,108,338,803.51/72,088.48
  6. Step 6: Final answer
    x = 29,246.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.