Home / 145,899.15-218,848.75-112,667.69

Finding the Fourth Proportional to 145,899.15, 218,848.75 and 112,667.69

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Solution

The fourth proportional to 145,899.15, 218,848.75 and 112,667.69 is: 169,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,899.15 : 218,848.75 = 112,667.69 : x
  2. Step 2: Convert to fraction form
    145,899.15/218,848.75 = 112,667.69/x
  3. Step 3: Cross multiply
    145,899.15x = 218,848.75 × 112,667.69
  4. Step 4: Simplify right side
    145,899.15x = 24,657,183,121.89
  5. Step 5: Solve for x
    x = 24,657,183,121.89/145,899.15
  6. Step 6: Final answer
    x = 169,001.55

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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.