Home / 145,790.46-218,646.45-61,551.18

Finding the Fourth Proportional to 145,790.46, 218,646.45 and 61,551.18

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Solution

The fourth proportional to 145,790.46, 218,646.45 and 61,551.18 is: 92,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,790.46 : 218,646.45 = 61,551.18 : x
  2. Step 2: Convert to fraction form
    145,790.46/218,646.45 = 61,551.18/x
  3. Step 3: Cross multiply
    145,790.46x = 218,646.45 × 61,551.18
  4. Step 4: Simplify right side
    145,790.46x = 13,457,947,000.31
  5. Step 5: Solve for x
    x = 13,457,947,000.31/145,790.46
  6. Step 6: Final answer
    x = 92,310.20

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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.