Home / 187,440.48-258,685.65-102,570.30

Finding the Fourth Proportional to 187,440.48, 258,685.65 and 102,570.30

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Solution

The fourth proportional to 187,440.48, 258,685.65 and 102,570.30 is: 141,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,440.48 : 258,685.65 = 102,570.30 : x
  2. Step 2: Convert to fraction form
    187,440.48/258,685.65 = 102,570.30/x
  3. Step 3: Cross multiply
    187,440.48x = 258,685.65 × 102,570.30
  4. Step 4: Simplify right side
    187,440.48x = 26,533,464,726.20
  5. Step 5: Solve for x
    x = 26,533,464,726.20/187,440.48
  6. Step 6: Final answer
    x = 141,556.75

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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.