Home / 145,825.10-218,710.65-40,622.30

Finding the Fourth Proportional to 145,825.10, 218,710.65 and 40,622.30

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Solution

The fourth proportional to 145,825.10, 218,710.65 and 40,622.30 is: 60,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,825.10 : 218,710.65 = 40,622.30 : x
  2. Step 2: Convert to fraction form
    145,825.10/218,710.65 = 40,622.30/x
  3. Step 3: Cross multiply
    145,825.10x = 218,710.65 × 40,622.30
  4. Step 4: Simplify right side
    145,825.10x = 8,884,529,637.50
  5. Step 5: Solve for x
    x = 8,884,529,637.50/145,825.10
  6. Step 6: Final answer
    x = 60,925.93

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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.