Home / 145,716.16-218,534.64-62,590.72

Finding the Fourth Proportional to 145,716.16, 218,534.64 and 62,590.72

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Solution

The fourth proportional to 145,716.16, 218,534.64 and 62,590.72 is: 93,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,716.16 : 218,534.64 = 62,590.72 : x
  2. Step 2: Convert to fraction form
    145,716.16/218,534.64 = 62,590.72/x
  3. Step 3: Cross multiply
    145,716.16x = 218,534.64 × 62,590.72
  4. Step 4: Simplify right side
    145,716.16x = 13,678,240,462.54
  5. Step 5: Solve for x
    x = 13,678,240,462.54/145,716.16
  6. Step 6: Final answer
    x = 93,869.07

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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.