Home / 187,585.93-258,868.59-102,703

Finding the Fourth Proportional to 187,585.93, 258,868.59 and 102,703

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Solution

The fourth proportional to 187,585.93, 258,868.59 and 102,703 is: 141,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,585.93 : 258,868.59 = 102,703 : x
  2. Step 2: Convert to fraction form
    187,585.93/258,868.59 = 102,703/x
  3. Step 3: Cross multiply
    187,585.93x = 258,868.59 × 102,703
  4. Step 4: Simplify right side
    187,585.93x = 26,586,580,798.77
  5. Step 5: Solve for x
    x = 26,586,580,798.77/187,585.93
  6. Step 6: Final answer
    x = 141,730.14

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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.