Home / 187,695.60-259,023.24-102,807.15

Finding the Fourth Proportional to 187,695.60, 259,023.24 and 102,807.15

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Solution

The fourth proportional to 187,695.60, 259,023.24 and 102,807.15 is: 141,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,695.60 : 259,023.24 = 102,807.15 : x
  2. Step 2: Convert to fraction form
    187,695.60/259,023.24 = 102,807.15/x
  3. Step 3: Cross multiply
    187,695.60x = 259,023.24 × 102,807.15
  4. Step 4: Simplify right side
    187,695.60x = 26,629,441,088.17
  5. Step 5: Solve for x
    x = 26,629,441,088.17/187,695.60
  6. Step 6: Final answer
    x = 141,875.68

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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.