Home / 102,243.06-141,085.50-75,400.02

Finding the Fourth Proportional to 102,243.06, 141,085.50 and 75,400.02

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Solution

The fourth proportional to 102,243.06, 141,085.50 and 75,400.02 is: 104,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,243.06 : 141,085.50 = 75,400.02 : x
  2. Step 2: Convert to fraction form
    102,243.06/141,085.50 = 75,400.02/x
  3. Step 3: Cross multiply
    102,243.06x = 141,085.50 × 75,400.02
  4. Step 4: Simplify right side
    102,243.06x = 10,637,849,521.71
  5. Step 5: Solve for x
    x = 10,637,849,521.71/102,243.06
  6. Step 6: Final answer
    x = 104,044.71

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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.