Home / 145,114.32-217,710.87-60,830.18

Finding the Fourth Proportional to 145,114.32, 217,710.87 and 60,830.18

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Solution

The fourth proportional to 145,114.32, 217,710.87 and 60,830.18 is: 91,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114.32 : 217,710.87 = 60,830.18 : x
  2. Step 2: Convert to fraction form
    145,114.32/217,710.87 = 60,830.18/x
  3. Step 3: Cross multiply
    145,114.32x = 217,710.87 × 60,830.18
  4. Step 4: Simplify right side
    145,114.32x = 13,243,391,410.06
  5. Step 5: Solve for x
    x = 13,243,391,410.06/145,114.32
  6. Step 6: Final answer
    x = 91,261.78

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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.