Home / 187,335.48-258,518.88-102,452.40

Finding the Fourth Proportional to 187,335.48, 258,518.88 and 102,452.40

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Solution

The fourth proportional to 187,335.48, 258,518.88 and 102,452.40 is: 141,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,335.48 : 258,518.88 = 102,452.40 : x
  2. Step 2: Convert to fraction form
    187,335.48/258,518.88 = 102,452.40/x
  3. Step 3: Cross multiply
    187,335.48x = 258,518.88 × 102,452.40
  4. Step 4: Simplify right side
    187,335.48x = 26,485,879,701.31
  5. Step 5: Solve for x
    x = 26,485,879,701.31/187,335.48
  6. Step 6: Final answer
    x = 141,382.08

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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.