Home / 144,525.15-216,690.53-77,068.35

Finding the Fourth Proportional to 144,525.15, 216,690.53 and 77,068.35

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Solution

The fourth proportional to 144,525.15, 216,690.53 and 77,068.35 is: 115,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,525.15 : 216,690.53 = 77,068.35 : x
  2. Step 2: Convert to fraction form
    144,525.15/216,690.53 = 77,068.35/x
  3. Step 3: Cross multiply
    144,525.15x = 216,690.53 × 77,068.35
  4. Step 4: Simplify right side
    144,525.15x = 16,699,981,222.38
  5. Step 5: Solve for x
    x = 16,699,981,222.38/144,525.15
  6. Step 6: Final answer
    x = 115,550.69

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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.