Home / 145,528.92-217,943.16-98,639.64

Finding the Fourth Proportional to 145,528.92, 217,943.16 and 98,639.64

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Solution

The fourth proportional to 145,528.92, 217,943.16 and 98,639.64 is: 147,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528.92 : 217,943.16 = 98,639.64 : x
  2. Step 2: Convert to fraction form
    145,528.92/217,943.16 = 98,639.64/x
  3. Step 3: Cross multiply
    145,528.92x = 217,943.16 × 98,639.64
  4. Step 4: Simplify right side
    145,528.92x = 21,497,834,842.86
  5. Step 5: Solve for x
    x = 21,497,834,842.86/145,528.92
  6. Step 6: Final answer
    x = 147,722.08

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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.