Home / 145,246.40-217,999.20-125,547.20

Finding the Fourth Proportional to 145,246.40, 217,999.20 and 125,547.20

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Solution

The fourth proportional to 145,246.40, 217,999.20 and 125,547.20 is: 188,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,246.40 : 217,999.20 = 125,547.20 : x
  2. Step 2: Convert to fraction form
    145,246.40/217,999.20 = 125,547.20/x
  3. Step 3: Cross multiply
    145,246.40x = 217,999.20 × 125,547.20
  4. Step 4: Simplify right side
    145,246.40x = 27,369,189,162.24
  5. Step 5: Solve for x
    x = 27,369,189,162.24/145,246.40
  6. Step 6: Final answer
    x = 188,432.82

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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.