Home / 187,455.63-258,688.76-102,572.69

Finding the Fourth Proportional to 187,455.63, 258,688.76 and 102,572.69

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Solution

The fourth proportional to 187,455.63, 258,688.76 and 102,572.69 is: 141,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,455.63 : 258,688.76 = 102,572.69 : x
  2. Step 2: Convert to fraction form
    187,455.63/258,688.76 = 102,572.69/x
  3. Step 3: Cross multiply
    187,455.63x = 258,688.76 × 102,572.69
  4. Step 4: Simplify right side
    187,455.63x = 26,534,401,985.96
  5. Step 5: Solve for x
    x = 26,534,401,985.96/187,455.63
  6. Step 6: Final answer
    x = 141,550.31

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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.