Home / 186,988.80-258,045.95-106,422.46

Finding the Fourth Proportional to 186,988.80, 258,045.95 and 106,422.46

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Solution

The fourth proportional to 186,988.80, 258,045.95 and 106,422.46 is: 146,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,988.80 : 258,045.95 = 106,422.46 : x
  2. Step 2: Convert to fraction form
    186,988.80/258,045.95 = 106,422.46/x
  3. Step 3: Cross multiply
    186,988.80x = 258,045.95 × 106,422.46
  4. Step 4: Simplify right side
    186,988.80x = 27,461,884,412.98
  5. Step 5: Solve for x
    x = 27,461,884,412.98/186,988.80
  6. Step 6: Final answer
    x = 146,863.79

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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.