Home / 187,070.55-258,153.16-102,187.95

Finding the Fourth Proportional to 187,070.55, 258,153.16 and 102,187.95

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Solution

The fourth proportional to 187,070.55, 258,153.16 and 102,187.95 is: 141,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,070.55 : 258,153.16 = 102,187.95 : x
  2. Step 2: Convert to fraction form
    187,070.55/258,153.16 = 102,187.95/x
  3. Step 3: Cross multiply
    187,070.55x = 258,153.16 × 102,187.95
  4. Step 4: Simplify right side
    187,070.55x = 26,380,142,206.42
  5. Step 5: Solve for x
    x = 26,380,142,206.42/187,070.55
  6. Step 6: Final answer
    x = 141,017.08

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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.