Home / 145,648.44-218,557.58-61,403.45

Finding the Fourth Proportional to 145,648.44, 218,557.58 and 61,403.45

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Solution

The fourth proportional to 145,648.44, 218,557.58 and 61,403.45 is: 92,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,648.44 : 218,557.58 = 61,403.45 : x
  2. Step 2: Convert to fraction form
    145,648.44/218,557.58 = 61,403.45/x
  3. Step 3: Cross multiply
    145,648.44x = 218,557.58 × 61,403.45
  4. Step 4: Simplify right side
    145,648.44x = 13,420,189,435.65
  5. Step 5: Solve for x
    x = 13,420,189,435.65/145,648.44
  6. Step 6: Final answer
    x = 92,140.98

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1.5x scale

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.