Home / 144,723.48-199,718.40-88,134.86

Finding the Fourth Proportional to 144,723.48, 199,718.40 and 88,134.86

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Solution

The fourth proportional to 144,723.48, 199,718.40 and 88,134.86 is: 121,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,723.48 : 199,718.40 = 88,134.86 : x
  2. Step 2: Convert to fraction form
    144,723.48/199,718.40 = 88,134.86/x
  3. Step 3: Cross multiply
    144,723.48x = 199,718.40 × 88,134.86
  4. Step 4: Simplify right side
    144,723.48x = 17,602,152,929.81
  5. Step 5: Solve for x
    x = 17,602,152,929.81/144,723.48
  6. Step 6: Final answer
    x = 121,626.10

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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.