Home / 105,128.54-157,599.02-38,553.11

Finding the Fourth Proportional to 105,128.54, 157,599.02 and 38,553.11

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Solution

The fourth proportional to 105,128.54, 157,599.02 and 38,553.11 is: 57,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,128.54 : 157,599.02 = 38,553.11 : x
  2. Step 2: Convert to fraction form
    105,128.54/157,599.02 = 38,553.11/x
  3. Step 3: Cross multiply
    105,128.54x = 157,599.02 × 38,553.11
  4. Step 4: Simplify right side
    105,128.54x = 6,075,931,662.34
  5. Step 5: Solve for x
    x = 6,075,931,662.34/105,128.54
  6. Step 6: Final answer
    x = 57,795.27

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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.