Home / 124,842.30-187,263.45-72,386.70

Finding the Fourth Proportional to 124,842.30, 187,263.45 and 72,386.70

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Solution

The fourth proportional to 124,842.30, 187,263.45 and 72,386.70 is: 108,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842.30 : 187,263.45 = 72,386.70 : x
  2. Step 2: Convert to fraction form
    124,842.30/187,263.45 = 72,386.70/x
  3. Step 3: Cross multiply
    124,842.30x = 187,263.45 × 72,386.70
  4. Step 4: Simplify right side
    124,842.30x = 13,555,383,176.12
  5. Step 5: Solve for x
    x = 13,555,383,176.12/124,842.30
  6. Step 6: Final answer
    x = 108,580.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.