Home / 249,155.76-343,715.36-163,076.84

Finding the Fourth Proportional to 249,155.76, 343,715.36 and 163,076.84

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Solution

The fourth proportional to 249,155.76, 343,715.36 and 163,076.84 is: 224,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,155.76 : 343,715.36 = 163,076.84 : x
  2. Step 2: Convert to fraction form
    249,155.76/343,715.36 = 163,076.84/x
  3. Step 3: Cross multiply
    249,155.76x = 343,715.36 × 163,076.84
  4. Step 4: Simplify right side
    249,155.76x = 56,052,016,603.27
  5. Step 5: Solve for x
    x = 56,052,016,603.27/249,155.76
  6. Step 6: Final answer
    x = 224,967.77

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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.