Home / 153,045.54-229,568-40,725.76

Finding the Fourth Proportional to 153,045.54, 229,568 and 40,725.76

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Solution

The fourth proportional to 153,045.54, 229,568 and 40,725.76 is: 61,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,045.54 : 229,568 = 40,725.76 : x
  2. Step 2: Convert to fraction form
    153,045.54/229,568 = 40,725.76/x
  3. Step 3: Cross multiply
    153,045.54x = 229,568 × 40,725.76
  4. Step 4: Simplify right side
    153,045.54x = 9,349,331,271.68
  5. Step 5: Solve for x
    x = 9,349,331,271.68/153,045.54
  6. Step 6: Final answer
    x = 61,088.56

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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.