Home / 187,312.30-258,495.48-106,738.10

Finding the Fourth Proportional to 187,312.30, 258,495.48 and 106,738.10

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Solution

The fourth proportional to 187,312.30, 258,495.48 and 106,738.10 is: 147,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,312.30 : 258,495.48 = 106,738.10 : x
  2. Step 2: Convert to fraction form
    187,312.30/258,495.48 = 106,738.10/x
  3. Step 3: Cross multiply
    187,312.30x = 258,495.48 × 106,738.10
  4. Step 4: Simplify right side
    187,312.30x = 27,591,316,393.79
  5. Step 5: Solve for x
    x = 27,591,316,393.79/187,312.30
  6. Step 6: Final answer
    x = 147,301.15

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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.