Home / 187,509.63-258,767.55-102,626.91

Finding the Fourth Proportional to 187,509.63, 258,767.55 and 102,626.91

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Solution

The fourth proportional to 187,509.63, 258,767.55 and 102,626.91 is: 141,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,509.63 : 258,767.55 = 102,626.91 : x
  2. Step 2: Convert to fraction form
    187,509.63/258,767.55 = 102,626.91/x
  3. Step 3: Cross multiply
    187,509.63x = 258,767.55 × 102,626.91
  4. Step 4: Simplify right side
    187,509.63x = 26,556,514,064.77
  5. Step 5: Solve for x
    x = 26,556,514,064.77/187,509.63
  6. Step 6: Final answer
    x = 141,627.47

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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.