Home / 145,377.75-218,066.63-38,762.07

Finding the Fourth Proportional to 145,377.75, 218,066.63 and 38,762.07

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Solution

The fourth proportional to 145,377.75, 218,066.63 and 38,762.07 is: 58,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,377.75 : 218,066.63 = 38,762.07 : x
  2. Step 2: Convert to fraction form
    145,377.75/218,066.63 = 38,762.07/x
  3. Step 3: Cross multiply
    145,377.75x = 218,066.63 × 38,762.07
  4. Step 4: Simplify right side
    145,377.75x = 8,452,713,782.91
  5. Step 5: Solve for x
    x = 8,452,713,782.91/145,377.75
  6. Step 6: Final answer
    x = 58,143.11

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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.