Home / 105,020.64-157,478.40-34,875.36

Finding the Fourth Proportional to 105,020.64, 157,478.40 and 34,875.36

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Solution

The fourth proportional to 105,020.64, 157,478.40 and 34,875.36 is: 52,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,020.64 : 157,478.40 = 34,875.36 : x
  2. Step 2: Convert to fraction form
    105,020.64/157,478.40 = 34,875.36/x
  3. Step 3: Cross multiply
    105,020.64x = 157,478.40 × 34,875.36
  4. Step 4: Simplify right side
    105,020.64x = 5,492,115,892.22
  5. Step 5: Solve for x
    x = 5,492,115,892.22/105,020.64
  6. Step 6: Final answer
    x = 52,295.59

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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.