Home / 187,268.63-258,430.70-102,385.69

Finding the Fourth Proportional to 187,268.63, 258,430.70 and 102,385.69

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Solution

The fourth proportional to 187,268.63, 258,430.70 and 102,385.69 is: 141,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268.63 : 258,430.70 = 102,385.69 : x
  2. Step 2: Convert to fraction form
    187,268.63/258,430.70 = 102,385.69/x
  3. Step 3: Cross multiply
    187,268.63x = 258,430.70 × 102,385.69
  4. Step 4: Simplify right side
    187,268.63x = 26,459,605,146.57
  5. Step 5: Solve for x
    x = 26,459,605,146.57/187,268.63
  6. Step 6: Final answer
    x = 141,292.25

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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.