Home / 145,988.39-218,914.55-75,848.87

Finding the Fourth Proportional to 145,988.39, 218,914.55 and 75,848.87

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Solution

The fourth proportional to 145,988.39, 218,914.55 and 75,848.87 is: 113,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,988.39 : 218,914.55 = 75,848.87 : x
  2. Step 2: Convert to fraction form
    145,988.39/218,914.55 = 75,848.87/x
  3. Step 3: Cross multiply
    145,988.39x = 218,914.55 × 75,848.87
  4. Step 4: Simplify right side
    145,988.39x = 16,604,421,696.53
  5. Step 5: Solve for x
    x = 16,604,421,696.53/145,988.39
  6. Step 6: Final answer
    x = 113,737.96

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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.