Home / 187,068.40-258,090.36-106,475.76

Finding the Fourth Proportional to 187,068.40, 258,090.36 and 106,475.76

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Solution

The fourth proportional to 187,068.40, 258,090.36 and 106,475.76 is: 146,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,068.40 : 258,090.36 = 106,475.76 : x
  2. Step 2: Convert to fraction form
    187,068.40/258,090.36 = 106,475.76/x
  3. Step 3: Cross multiply
    187,068.40x = 258,090.36 × 106,475.76
  4. Step 4: Simplify right side
    187,068.40x = 27,480,367,229.67
  5. Step 5: Solve for x
    x = 27,480,367,229.67/187,068.40
  6. Step 6: Final answer
    x = 146,900.10

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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.