Home / 145,301.76-200,511.36-88,807.68

Finding the Fourth Proportional to 145,301.76, 200,511.36 and 88,807.68

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Solution

The fourth proportional to 145,301.76, 200,511.36 and 88,807.68 is: 122,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,301.76 : 200,511.36 = 88,807.68 : x
  2. Step 2: Convert to fraction form
    145,301.76/200,511.36 = 88,807.68/x
  3. Step 3: Cross multiply
    145,301.76x = 200,511.36 × 88,807.68
  4. Step 4: Simplify right side
    145,301.76x = 17,806,948,695.24
  5. Step 5: Solve for x
    x = 17,806,948,695.24/145,301.76
  6. Step 6: Final answer
    x = 122,551.50

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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.