Home / 121,134.40-181,628.70-62,085.40

Finding the Fourth Proportional to 121,134.40, 181,628.70 and 62,085.40

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Solution

The fourth proportional to 121,134.40, 181,628.70 and 62,085.40 is: 93,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,134.40 : 181,628.70 = 62,085.40 : x
  2. Step 2: Convert to fraction form
    121,134.40/181,628.70 = 62,085.40/x
  3. Step 3: Cross multiply
    121,134.40x = 181,628.70 × 62,085.40
  4. Step 4: Simplify right side
    121,134.40x = 11,276,490,490.98
  5. Step 5: Solve for x
    x = 11,276,490,490.98/121,134.40
  6. Step 6: Final answer
    x = 93,090.74

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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.