Home / 145,359.12-200,545.80-94,435.92

Finding the Fourth Proportional to 145,359.12, 200,545.80 and 94,435.92

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Solution

The fourth proportional to 145,359.12, 200,545.80 and 94,435.92 is: 130,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,359.12 : 200,545.80 = 94,435.92 : x
  2. Step 2: Convert to fraction form
    145,359.12/200,545.80 = 94,435.92/x
  3. Step 3: Cross multiply
    145,359.12x = 200,545.80 × 94,435.92
  4. Step 4: Simplify right side
    145,359.12x = 18,938,727,125.14
  5. Step 5: Solve for x
    x = 18,938,727,125.14/145,359.12
  6. Step 6: Final answer
    x = 130,289.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.