Home / 187,415.04-258,628.32-102,532.80

Finding the Fourth Proportional to 187,415.04, 258,628.32 and 102,532.80

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Solution

The fourth proportional to 187,415.04, 258,628.32 and 102,532.80 is: 141,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,415.04 : 258,628.32 = 102,532.80 : x
  2. Step 2: Convert to fraction form
    187,415.04/258,628.32 = 102,532.80/x
  3. Step 3: Cross multiply
    187,415.04x = 258,628.32 × 102,532.80
  4. Step 4: Simplify right side
    187,415.04x = 26,517,885,808.90
  5. Step 5: Solve for x
    x = 26,517,885,808.90/187,415.04
  6. Step 6: Final answer
    x = 141,492.84

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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.