Home / 112,541.70-168,812.55-45,938.10

Finding the Fourth Proportional to 112,541.70, 168,812.55 and 45,938.10

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Solution

The fourth proportional to 112,541.70, 168,812.55 and 45,938.10 is: 68,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.70 : 168,812.55 = 45,938.10 : x
  2. Step 2: Convert to fraction form
    112,541.70/168,812.55 = 45,938.10/x
  3. Step 3: Cross multiply
    112,541.70x = 168,812.55 × 45,938.10
  4. Step 4: Simplify right side
    112,541.70x = 7,754,927,803.16
  5. Step 5: Solve for x
    x = 7,754,927,803.16/112,541.70
  6. Step 6: Final answer
    x = 68,907.15

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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.