Home / 155,345.29-233,031.27-66,577.70

Finding the Fourth Proportional to 155,345.29, 233,031.27 and 66,577.70

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Solution

The fourth proportional to 155,345.29, 233,031.27 and 66,577.70 is: 99,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,345.29 : 233,031.27 = 66,577.70 : x
  2. Step 2: Convert to fraction form
    155,345.29/233,031.27 = 66,577.70/x
  3. Step 3: Cross multiply
    155,345.29x = 233,031.27 × 66,577.70
  4. Step 4: Simplify right side
    155,345.29x = 15,514,685,984.68
  5. Step 5: Solve for x
    x = 15,514,685,984.68/155,345.29
  6. Step 6: Final answer
    x = 99,872.27

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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.