Home / 102,224.63-153,345.76-31,145.72

Finding the Fourth Proportional to 102,224.63, 153,345.76 and 31,145.72

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Solution

The fourth proportional to 102,224.63, 153,345.76 and 31,145.72 is: 46,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,224.63 : 153,345.76 = 31,145.72 : x
  2. Step 2: Convert to fraction form
    102,224.63/153,345.76 = 31,145.72/x
  3. Step 3: Cross multiply
    102,224.63x = 153,345.76 × 31,145.72
  4. Step 4: Simplify right side
    102,224.63x = 4,776,063,259.55
  5. Step 5: Solve for x
    x = 4,776,063,259.55/102,224.63
  6. Step 6: Final answer
    x = 46,721.26

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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.