Home / 145,565.44-218,202.40-61,345.92

Finding the Fourth Proportional to 145,565.44, 218,202.40 and 61,345.92

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Solution

The fourth proportional to 145,565.44, 218,202.40 and 61,345.92 is: 91,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,565.44 : 218,202.40 = 61,345.92 : x
  2. Step 2: Convert to fraction form
    145,565.44/218,202.40 = 61,345.92/x
  3. Step 3: Cross multiply
    145,565.44x = 218,202.40 × 61,345.92
  4. Step 4: Simplify right side
    145,565.44x = 13,385,826,974.21
  5. Step 5: Solve for x
    x = 13,385,826,974.21/145,565.44
  6. Step 6: Final answer
    x = 91,957.45

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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.