Home / 163,371.20-245,056.80-64,875.20

Finding the Fourth Proportional to 163,371.20, 245,056.80 and 64,875.20

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Solution

The fourth proportional to 163,371.20, 245,056.80 and 64,875.20 is: 97,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,371.20 : 245,056.80 = 64,875.20 : x
  2. Step 2: Convert to fraction form
    163,371.20/245,056.80 = 64,875.20/x
  3. Step 3: Cross multiply
    163,371.20x = 245,056.80 × 64,875.20
  4. Step 4: Simplify right side
    163,371.20x = 15,898,108,911.36
  5. Step 5: Solve for x
    x = 15,898,108,911.36/163,371.20
  6. Step 6: Final answer
    x = 97,312.80

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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.