Home / 145,979.60-218,847.72-61,804.40

Finding the Fourth Proportional to 145,979.60, 218,847.72 and 61,804.40

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Solution

The fourth proportional to 145,979.60, 218,847.72 and 61,804.40 is: 92,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.60 : 218,847.72 = 61,804.40 : x
  2. Step 2: Convert to fraction form
    145,979.60/218,847.72 = 61,804.40/x
  3. Step 3: Cross multiply
    145,979.60x = 218,847.72 × 61,804.40
  4. Step 4: Simplify right side
    145,979.60x = 13,525,752,025.97
  5. Step 5: Solve for x
    x = 13,525,752,025.97/145,979.60
  6. Step 6: Final answer
    x = 92,655.08

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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.