Home / 145,530.53-218,295.80-40,349.50

Finding the Fourth Proportional to 145,530.53, 218,295.80 and 40,349.50

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Solution

The fourth proportional to 145,530.53, 218,295.80 and 40,349.50 is: 60,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530.53 : 218,295.80 = 40,349.50 : x
  2. Step 2: Convert to fraction form
    145,530.53/218,295.80 = 40,349.50/x
  3. Step 3: Cross multiply
    145,530.53x = 218,295.80 × 40,349.50
  4. Step 4: Simplify right side
    145,530.53x = 8,808,125,088.87
  5. Step 5: Solve for x
    x = 8,808,125,088.87/145,530.53
  6. Step 6: Final answer
    x = 60,524.24

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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.