Home / 187,030.40-258,090.02-102,147.46

Finding the Fourth Proportional to 187,030.40, 258,090.02 and 102,147.46

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Solution

The fourth proportional to 187,030.40, 258,090.02 and 102,147.46 is: 140,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,030.40 : 258,090.02 = 102,147.46 : x
  2. Step 2: Convert to fraction form
    187,030.40/258,090.02 = 102,147.46/x
  3. Step 3: Cross multiply
    187,030.40x = 258,090.02 × 102,147.46
  4. Step 4: Simplify right side
    187,030.40x = 26,363,239,994.35
  5. Step 5: Solve for x
    x = 26,363,239,994.35/187,030.40
  6. Step 6: Final answer
    x = 140,956.98

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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.