Home / 145,306.16-218,043.48-61,059.68

Finding the Fourth Proportional to 145,306.16, 218,043.48 and 61,059.68

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Solution

The fourth proportional to 145,306.16, 218,043.48 and 61,059.68 is: 91,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,306.16 : 218,043.48 = 61,059.68 : x
  2. Step 2: Convert to fraction form
    145,306.16/218,043.48 = 61,059.68/x
  3. Step 3: Cross multiply
    145,306.16x = 218,043.48 × 61,059.68
  4. Step 4: Simplify right side
    145,306.16x = 13,313,665,114.89
  5. Step 5: Solve for x
    x = 13,313,665,114.89/145,306.16
  6. Step 6: Final answer
    x = 91,624.92

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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.